Abstract: A slip leash is disclosed. In one embodiment, an adjustable cord stop receives a lead therethrough. A sleeve member is at one end. A sliding ring member is pivotally connected to the sleeve member. The sliding ring member has an opening for accepting the lead therethrough. The sliding ring member forms a slipping loop. The sliding ring member has first and second ring portions distally extending thereapart in a planar curve from the sleeve member. Third and fourth ring portions respectively converge from the first and second ring portions to an end portion and form a union therewith. The end portion of the sliding ring member forms a point. In use, the sliding ring member points to the handler to indicate the slip leash has been placed on the dog correctly.

Abstract: A method for leashing an animal is provided, including steps of attaching a quick-release mechanism to a collar on an animal, and encircling the animal's abdomen by passing a handle end of the leash through an intermediate loop such that the leash forms a constrictive loop around the animal's abdomen. The leash includes a collar end formed from a loop of a first flexible web that captures the quick-release mechanism, and a handle end formed from a loop of a second flexible web. The intermediate loop is between the collar end and the handle end and formed of a third flexible web. The first flexible web overlaps the third flexible web and the overlapping portions are bonded together at a collar end of the intermediate loop. The second flexible web overlaps the third flexible web and the overlapping portions are bonded together at a handle end of the intermediate loop.

Abstract: A lead line adjusting device for a companion animal is provided. The lead line adjusting device for a companion animal includes a cover part configured to include a plurality of locking means; a rotating member around which a lead line is wound; a plurality of latches configured to be coupled to one side surface of the rotating member and opened so as to be caught by a portion of the plurality of locking means while rotating about the same shaft as the rotating member when a force greater than or equal to a predetermined reference is applied to the lead line; and a spiral spring configured to apply a rotational force so that the lead line is wound around the rotating member. Accordingly, it is possible to automatically control the lead line in both directions, such as when the lead line is wound or when the lead line is unwound.

Abstract: A closing device for releasably connecting a first part to a second part. The closing device may have a first closing unit comprising a spherical engaging part, and a first retaining device for attaching the first part. The closing device also may comprise a second closing unit which has a second retaining device for attaching the second part, and a cut out, which is delimited by a wall, for receiving the spherical engaging part, where the cut out has an opening for inserting the spherical engaging part. A sliding unit may be located in the cut out, said sliding unit being preloaded in the direction of the opening, and the sliding unit can be displaced into an open position and a closed position. In the open position of the sliding unit, the spherical engaging part may be received in the cut out.

Abstract: The present disclosure provides an intelligent pet monitoring method for a robot. A mutual position relationship between a pet and a robot is determined according to wireless communication between a wireless signal device on the pet and the robot, and then a grid position corresponding to the pet in a grid map constructed by the robot is determined according to the mutual position relationship. Daily activities of the pet may also be regular, to a certain extent, under the influence of a biological clock of the pet, so that big data generated by the grid positions of the pet at different time points is finally recorded to construct the pet daily activity model, and the daily activity trajectory of the pet may be predicted according to the pet daily activity model.

Abstract: Implementations described and claimed herein provide disposable containers for feeding animals and systems, methods, and apparatuses related thereto. In one implementation, an animal feeder for use in dispensing animal food to birds or other suitable animals includes one or more reservoirs having one or more walls that allow a user to create one or more openings in the walls. The one or more reservoirs may be set on a tray to orient each reservoir to allow birds or other suitable animals to feed from the openings in each reservoir. The reservoirs are disposable and replaceable to provide a re-useable system for feeding birds.

Abstract: A modular beehive apparatus is provided. In preferred embodiments, the beehive includes a hive body, a hive top, a hive bottom, a plurality of frames, and at least one securing means for securing at least the top to the body. In one embodiment of the present invention, the body is modular, thereby allowing multiple bodies to be stacked on top of one another. To ensure modularity, not only should an uppermost portion of the body be configured to mate with the top, but it should also be configured to mate with a lowermost portion of another body. To enhance integrity, the portions that mate (e.g., the top and body) should be “interlockable.” The more interlocking the structures are, the more secure the beehive apparatus becomes. Especially if the structures are secured together (e.g., using screws, etc.).

Abstract: The present invention discloses a recirculating aquaculture system (RAS) and method for shrimp culture through SBR wastewater treatment. The RAS includes a control cabinet, culture tanks, a clean water tank, a clean water filling pipeline, a drainage pipeline, a buried activated sludge tank and a solid-liquid separation mechanism. The solid-liquid separation mechanism comprises a sludge pump, an input pipe, a plate and frame type filter press and a liquid output pipe. An input end of the sludge pump is immersed in sewage of the buried activated sludge tank; and a clean water output end of the plate and frame type filter press is connected with the buried activated sludge tank through the liquid output pipe.

Abstract: Disclosed herein, are inducible immunodeficient animals and methods to make them by adding an IL2Rg/RAG2 rescue cassette (RG-reg) or an IL2Rg/RAG2/FAH rescue cassette (FRG-reg) to a line of IL2Rg/RAG2 knockout (RG-KO) or IL2Rg/RAG2/FAH knockout (FRG-KO) swine. The rescue cassette enables line breeding of immunocompetent (regRG-KO) or (regFRG-KO) swine for rapid propagation. The rescue cassette can be excised, specifically in germ cells of regRG-KO or regFRG-KO swine, such that offspring of animals do not possess the rescue cassette and are immunodeficient. The immunodeficient swine also provide host embryos having genetic ablations to provide a niche for organ complementation by human stem cells.

Abstract: Provided is an Alzheimer's disease rat model or a tissue or cell thereof, which comprises a chimeric APP gene encoding a modified APP and use thereof.

Abstract: The present invention comprises non-human vertebrate cells and non-human mammals having a genome comprising an introduced partially human immunoglobulin region, said introduced region comprising human VH coding sequences and non-coding VH sequences based on the endogenous genome of the non-human mammal.

Abstract: Lure apparatus for fishing and associated methods are disclosed. In some embodiments, the lure apparatus includes (1) a head portion; (2) a tail portion; and (3) an optional weight portion. The head portion and the tail portion are operably engaged. The head portion has a center opening, which enables a fishing line or wire to pass through. The optional weight portion is positioned inside the head portion to adjust the weight of the overall lure apparatus. The head portion has two side openings. The tail portion has two arms, each of which has a protrusion configured to be positioned in a corresponding one of the two side openings of the head portion. Once the two protrusions are positioned in the side openings, the two protrusions engage with the head portion and restrain the tail portion from moving relatively to the head portion.

Abstract: A locking telescopic fishing rod includes a plurality of telescoping sections; a plurality of locking guide frames, one of which is secured to each rod section, each locking guide frame having a generally tubular body with a first end and a second end; the second end forming a male portion of a connection; and wherein male connection portion of a first locking guide frame for a distal rod section is configured to engage one of the inner diameter of a distal tip for an adjacent proximal rod section or the first end of a second locking guide frame, the distal tip for the adjacent proximal rod section or the first end of the second locking guide frame forming a female portion of the connection.

Abstract: A water movement system and method configured to eradicate and/or control mosquito or insect populations that lay eggs in treated, stagnant water environments. The system is comprised of a water pump configured to function in cooperation with an underwater insect attractant device. The insect attractant device is suitably constructed to generate carbon dioxide for attracting insects to a water extermination zone or trap. In one embodiment, the underwater insect attractant device contains organisms such as mycelia for generating the carbon dioxide. Insects are attracted by the carbon dioxide generation device to reproduce in the water extermination zone, using the treated water to lay eggs, and grow larvae and pupae for the subject insects. A solar-powered water pump device is configured to direct the flow of water from the water extermination zone toward filters of the water pump device to trap and kill insect progeny including eggs, larvae, and pupae.

Abstract: The modular pest trap assembly of the present application includes a modular relatively planar structure that is configured to be adaptable for different methods and areas of a structure for the capture of pests. The assembly includes a main body with a first face and a second face. The modular structure also includes a flap and an edge trap member. An adhesive layer extends across a portion of a singular face of the modular structure. A detachable film cover lays across the adhesive layer to permit handling without contact of the adhesive layer. The flap extends outward from the main body so as to assist in attaching the main body to a corner for creation of a void space.

Abstract: A pest trap assembly and method of use includes the obtaining of a trap assembly and the selective modification of the structure to produce one or more functional traps. As a structure, the trap assembly includes a relatively flat structure having an adhesive layer across one surface and a film cover over the top of the adhesive layer. A user may use the whole structure as a glue trap or may elect to break it up into different independent sections. Perforated lines are provided to aid in separation. A user may elect to build a three-dimensional structure defining an interior volume from the structure. The configuration may be that of conical or of a pod where the interior volume is defined by a plurality of sides. These configurations aid in capturing air born pests or pests hiding on lower surfaces and are designed to be hung or suspended.

Abstract: An extendable and adjustable insect entrapment apparatus reaches insects and pests in hard to reach areas through a multi-jointed elongated rod that hinges and pivots into various configuration to reach and entrap the insects with a pad of stacked, singular sticky sheets. The rod has a proximal end with a formed hole for hanging the apparatus from a distal end. At least one joint in the rod is fixedly set at a desired angle and orientation. The sticky sheets retain any insects which travel or fall into a base at the distal end of the rod. Each sheet is coated with a mild compression adhesive material that entraps an insect in response to an application of force against the insect. Each sticky sheet can be separated individually. Upon entrapment of an insect, the outermost sticky sheet restraining the insect is separated, folded to encase the insect, and disposed of.

Abstract: The present disclosure relates to a spraying apparatus for spraying a liquid onto a surface. The spraying apparatus includes a tank configured to store a liquid, a neck extending from the tank and defining an opening, a pump assembly including a collar removably attached to the neck, a pump configured to draw the liquid from the tank when actuated, and a housing defining a cavity therethrough to provide a carrying handle. A wand, separate from the tank, includes a body and a nozzle assembly, having a hub rotatably attached to the body and a plurality of nozzles circumferentially arranged around the hub and extending radially outwardly therefrom. An elongate hose, having a first end and a second end, interconnects the tank and the wand by attaching to the pump assembly of the tank at the first end and the body of the wand at the second end.

Abstract: An apparatus for applying a desired amount of mechanical abrasion to plants and selective cutting of undesirable plant material is provided. The apparatus includes a base, a brush and an elevation device for maintaining the base at desirable height. The base has a first longitudinal axis and a plurality of grooves, the grooves being oriented approximately perpendicular to the first longitudinal axis. The brush has a second longitudinal axis and a plurality of bristles and/or blades extending outwardly from the second longitudinal axis. The brush is attached to the apparatus such that the second longitudinal axis is substantially parallel to the first longitudinal axis and the brush is rotatable about the second longitudinal axis. The brush is spaced from the base such that the plurality of bristles engage the plurality of grooves. The base is adjustable enabling the operator to move the base closer or further from the rotating brush/blades.

Abstract: A flapping wing water fowl or migratory bird decoy set is disclosed. The decoy set includes a decoy and a mounting base. The decy includes a body, a pair of wings, a motor assembly, a battery, and a waterproof control module. An exemplary bird is a goose. The body is constructed of a predetermined plastic material with hyper-realistic exterior ornamentation, and is arranged in a predetermined orientation to simulate a goose. The decoy has a pair of flappable decoy wings connected to the decoy body, the decoy wing being constructed and arranged to simulate the wing of a waterfowl or migratory bird. The control and power module is plug and play software controllable. The decoy is mountable on a male type member post via a female type receptacle on the decoy body. The decoy has a biased stabilizer cord that also mimics the legs of the waterfowl or migratory bird. The motor is mechanically coupled to the wings via a belt drive arrangement which yields a quiet decoy.

Abstract: A system and method of preserving cadaveric tissue is provided. The present invention utilizes a preservation fluid having high-dose DMSO, high-dose acetic acid, and isopropyl alcohol. It is believed that the high-dose DMSO serves as a hardening agent while the high-dose acetic acid serves as a softening agent.

Abstract: A bone cutting assembly includes a manually actuated upper cutting element that carries a plurality of cutting blades configured to cut through frozen bone segments. A lower cutting element supports a bone segment to be cut and can include cutting blades aligned with the cutting blades of the upper cutting assembly. A pivoting linkage or a rack and pinion arrangement can be provided between the upper cutting element and a manually operated handle to provide sufficient mechanical advantage or leverage to allow an operator to manually cut through the bone.

Abstract: The present invention discloses an afterload device for ex situ heart perfusion, which includes an afterload energy storage module, a pressure regulation module and two flow rate regulators that are connected through a conduit. The afterload energy storage module includes a rigid closed container and a flexible container. The perfusion fluid flows into the flexible container from one side thereof through the conduit, and the perfusion fluid flows out from the flexible container at another side thereof as the flexible container is subjected to the action of the medium pressure in the rigid hermetic container. The pressure regulation module includes two pressure regulation valves and a compressible-medium source, for regulating the pressure range within the rigid hermetic container to be always maintained between the set diastolic pressure and the set systolic pressure.

Abstract: A DSC (Differential Scanning calorimetry) electrode system capable of applying an electric field includes a differential scanning calorimeter, a computer, a signal generator, a self-pressurization liquid nitrogen tank and a reference crucible, wherein the self-pressurization liquid nitrogen tank is connected to the differential scanning calorimeter and used for controlling temperature in real time; the differential scanning calorimeter is connected to the computer and used for transmitting signals and recording experiment results. The DSC electrode system also includes a microelectrode crucible that includes a ceramic crucible, a ceramic crucible cover, welding spots, two electrodes and electrode wires, wherein the two electrodes are respectively fixed in the ceramic crucible; a gap is reserved between the electrodes and used for storing a tested sample; the welding spots are reserved at upper ends of the electrodes.

Abstract: Techniques are provided for the monitoring and transport of an anatomical organ with a sleeve arranged snuggly around the organ and comprising a porous material with respect to an aqueous solution in a container affixed to unmanned aerial vehicle. As a non-limiting example, in a first set of embodiments, the sleeve, shaped to an approximate shape of the target anatomical organ has an opening for inserting the target anatomical organ. The sleeve may comprise a fabric that is porous with respect to an aqueous solution and has a tensile strength to hold the weight of the sleeve and of the target anatomical organ. In other embodiments, the fabric of the sleeve may also include a different second opening for passing a blood vessel for the target anatomical organ. Further, the sleeve may include a wireless communication device and a at least one of a temperature sensor and vibration sensor.

Abstract: A method for freeze-drying a biological sample of mammalian cells or tissue including placing a biological sample on or in a structure to increase a temperature of the biological sample and with the biological sample in a closed chamber applying a vacuum to the chamber to lower a pressure within the chamber, cooling the chamber to lower a temperature within the chamber and applying heat to the biological sample within the chamber. The biological sample can include one or more of stem cells, hematopoietic stem cells, mesenchymal stem cells, embryonic stem cells, induced pluripotent stem cells, sperm, oocytes, embryos, ovarian tissue, uterine tissue or testicular tissue.

Abstract: A composition that can solvate biofilms and disrupt bacterial cell walls acts to both kill the bacteria by cell lysis and remove the biofilm. This solvent-containing composition is effective against a broad spectrum of microbes and can be used on a variety of surfaces, both living and inanimate. The polarity of the solvent component of the composition is lower than that of pure water so that the composition exhibits increased efficacy in solvating the macromolecular matrix of a biofilm and in penetrating bacterial cell walls.

Abstract: Embodiments of the present invention relate to compositions that can be used as emulsifiable concentrates in the agriculture industry. In one aspect, a composition comprises (a) 5 weight percent or more of a compound soluble in at least one of N,N-dialkyl fatty amide, an aromatic ketone, an alkyl ketone, a cyclic ketone, or an aromatic hydrocarbon solvent; and (b) an ether ketone solvent according to Formula 1, as described herein, wherein R1 is a linear or branched alkyl group having 4 to 8 carbon atoms, wherein R2 is CH3 or CH2CH3, wherein x is 0, 1, or 2, wherein R3 is CH3 when R2 is CH3, and wherein R3 is CH2CH3 when R2 is CH2CH3.

Abstract: Herbicide delivery systems comprising a potassium salt of a herbicidal carboxylic acid coated onto a solid carrier.

Abstract: Stabilized peroxycarboxylic acid compositions and the solid supported peracid stabilizers are provided. Methods of producing the solid supported peracid stabilizers are provided. The solid supported peracid stabilizers and the stable peroxycarboxylic acid compositions are particularly suitable for use in sanitizing equipment and surfaces to reduce yeasts, spores and bacteria, including those having contact with food, food products and/or components thereof, which require or benefit from infection control suitable for direct contact with such food sources.

Abstract: Disclosed is an herbicidal composition containing: a pyrimidinedione-based compound as an active ingredient; and an efficacy enhancer. The herbicidal composition can increase biological effect expression characteristics of the pyrimidinedione-based composition as a contact herbicide, improve fast-acting property on monocot weeds as well as broadleaf weeds through enhanced spreading ability and penetrating power, and effectively control, at a low dose, even resistant weeds showing resistance to other herbicides. Furthermore, the herbicidal composition retains thermodynamic stability to increase storage stability, and can exhibit uniform and excellent efficacy at the time of chemical treatment through the uniform dispersion of the active ingredient.

Abstract: According to one embodiment, a method of managing messages in a trading network is provided. A set of user relationships between a first user and one or more second users authorized to act on behalf of the first user is stored. A trading message regarding a trading order submitted on behalf of the first user is received from a trading system. The trading message is communicated to the first user. Each of the second users is identifying from the set of user relationships. For each of the identified second users, a carrier message is generated that includes the trading message and routing information associated with that second user. For each of the identified second users, the respective carrier message is communicated toward a user application associated with that second user based at least on the routing information included in the respective carrier message.

Abstract: The invention relates to a formulation comprising: 2-unde-canone in an amount of about 5% to about 50%; at least one hydrophobic base in an amount of about 5% to about 65%; at least one alcohol in an amount of about 5% to about 50%; and at least one emulsifier in an amount of about 5% to about 15% and methods of repelling insects and ticks by applying to a subject or a substrate a formulation of the invention.

Abstract: A fungicidal composition containing a fungicidally effective amount of the compound of Formula I: 5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidin-2(1H)-one, and at least one fungicide to provide synergistic control of selected fungi wherein the at least one fungicide is a fungicidal sterol biosynthesis-inhibitor.

Abstract: The development of novel agricultural/horticultural fungicides is desired due to damage by diseases continuing to be a major issue, the evolution of diseases resistant to existing chemicals, and other such factors in crop production such as agriculture and horticulture. The present invention provides an agricultural/horticultural fungicide having as an active ingredient a compound represented by general formula (I) [in the formula, R1 represents an (a2) (C1-C6) alkyl group, etc. R2 represents a (b1) hydrogen atom, etc. R3 represents a (c1) hydrogen atom or a (c2) (C1-C6) alkyl group, etc. R4 represents a (d2) (C1-C6) alkyl group, etc. X1, X2, X3, and X4 represent an (e1) hydrogen atom, etc. Y represents an oxygen atom, etc.] or salts thereof, and a method for using the same.

Abstract: The present invention relates to mixture A comprising trifludimoxazin and 2-(2,4-dichlorophenyl)methyl-4,4-di-methyl-3-isoxazolidone defined below and to their use as herbicide. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.

Abstract: The present invention relates to novel fused bicyclic heterocycle derivatives of formula (I) in which B1, B2, B3, B4, R1, R4, R5, R6 and n have the meanings mentioned above, to agrochemical formulations comprising the compounds of formula (I) and to their use as acaricides and/or insecticides for controlling animal pests, especially arthropods and in particular insects and arachnids.

Abstract: Compounds of the formula (I) wherein the substituents are as defined in claim 1, useful as a pesticides, especially as fungicides.

Abstract: Compounds of formula I A-B??(I), wherein A is a radical selected from the group consisting of formulae A1 to A8: wherein the arrow denotes the point of attachment to the radical B; and B is a radical selected from the group consisting of formulae B1 to B11: wherein the arrow denotes the point of attachment to the radical A; and wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts and all stereoisomers and tautomeric forms of the compounds of formula I can be used as insecticides and can be prepared in a manner known per se.

Abstract: The invention relates to the use of additives in the preparation of crop protection composition spray mixtures, in particular as additives for tank mixtures of specific pesticides according to formula (I), pesticide mixtures and crop protection compositions comprising these pesticides.

Abstract: An antimicrobial composition comprising alexidine, a solvent, an optional carrier polymer and one or more excipient or additives is provided. The antimicrobial composition is used to provide antimicrobial properties to a surgical device during surgery and after surgery. The antimicrobial composition is also used to disinfect a surgical device or a surgical site.

Abstract: This disclosure provides compositions or combinations of (A) phytotoxic micronutrients and (C) agricultural compositions and their use for selectively and effectively controlling invasive plants.

Abstract: The present disclosure provides non-aqueous inoculant compositions and methods for enhancing the survival and/or stability of microbial spores in an inoculant composition. In some embodiments, inoculant compositions of the present disclosure comprise microbial spores, one or more dispersants, one or more dust suppressants and a solid non-aqueous carrier.

Abstract: A delivery method for bacteria, viruses, fungi and dsRNA in which the bacteria, virus, fungus or dsRNA is protected from degradation by UV light by encapsulation in a particle of wax also containing a UV blocker. The formulation may also include other chemistry, such as insecticides. The particles are edible by insects and their larva and result in ingestion of the bacteria, virus, fungi and/or dsRNA by the insect or larva, resulting in control thereof.

Abstract: A baking drawer includes an oven cavity and a drawer assembly movable relative to the oven cavity between an extended position, where the drawer assembly is accessible by a user, and a retracted position, where the drawer assembly is located within the oven cavity. The drawer assembly has a bottom wall, two opposing sidewalls and a rear wall. A first vent is formed in the bottom wall, and a second vent is formed in the rear wall. The vents allow air to flow into and out of a ventilated region delineated by the bottom wall, the two sidewalls and the rear wall.

Abstract: Kneading the yeast fermented dough in the sourdough way: the flour is poured into warm water, in which sugar, salt, yeast are diluted, the dough is matured for 20 minutes, the dough is received semi-fluid, the dough is cut on the surface with greased vegetable oil; the stuffing is prepared from offal of farm animals or poultry, with the addition in stuffing ingredients onions in an amount of 10-20% of weight of the stuffing, salts, pepper to taste and further cooking steps are carried out. The method allows to prepare products with the optimal technological characteristics having high nutritional value and organoleptic properties of softness, juiciness, creamy taste.

Abstract: A separating device for separating first and second bones or cartilage parts comprises a first structure with a first elongated member and a stationary engaging member at one end of the first elongated member; a second structure with a second elongated member and a separation member at one end of the second elongated member; a moving device for moving the second structure relative to the stationary engaging member from a contracted position to a closed position. An angular position of the first and the second structures are adjusted, so the subsequent movement of the separation member towards the closing position intersects a separation area between the first and second bones or cartilage parts causing an immediate separation between the first and second bones or cartilage parts.

Abstract: An apparatus for tearing meat is disclosed. The apparatus includes a gravity-fed hopper including at least one sidewall that forms a first opening configured to receive meat articles and a second opening configured to discharge torn meat articles. The apparatus includes a rotatable spindle element positioned at least partially within the hopper and downstream of the first opening. The rotatable spindle element includes a shaft having a longitudinal axis and a plurality of teeth coupled to the shaft, the teeth being spaced apart from one another. The apparatus includes a plurality of rods, which extend from the sidewall spaced apart from one another and which are interlaced with the plurality of teeth, and a motor coupled to the rotatable spindle element configured to rotate the rotatable spindle element to cause at least some of the plurality of teeth to rotate and pass between two different rods.

Abstract: A soft material separator (1) has a perforated drum (2) A pressing band (3) is guided along a circumferential section (19) of the perforated drum (2) and can be operated together with the perforated drum (2). A feed zone (7), from which a substance mixture (14) consisting of substance components (12, 13) of different consistencies is drawn in between the perforated drum (2) and the pressing band (3) to separate the substance components (12, 13). For optimization in terms of wear and energy consumption without any or without significant losses in effectiveness of the device, a detection system (9) is provided to quantitatively determine the fill level of the feed zone (7), and a control apparatus (10) which is connected to the detection system (9) is provided to adjust the speed of the perforated drum (2) and of the pressing band (3) depending on the fill level.

Abstract: A method for converting a charcoal grill into a heat smoker is disclosed. The method comprises inserting a fin at least partially through the grilling surface of the grill such that the fin separates the charcoal grill into a first section and a second section, the fin positioned within the charcoal grill such that charcoal placed within the first section of the charcoal grill is prevented from entering the second section of the charcoal grill, the separation fin including at least one opening configured to allow smoke to pass therethrough, and igniting the charcoal such that air entering the grill through the air vent pulls heat and smoke emanating from the ignited charcoal around the fin and through at least one opening in the fin to smoke food on the grilling surface.