Abstract: A personalized training system to perform operations that include: receiving a score that corresponds with a content identifier from a user account, the score comprising at least a value that comprises an attribute; accessing a user profile associated with the user account, the user profile indicating a cohort associated with the user account; identifying a set of scores within a leaderboard associated with the content identifier based on the cohort associated with the user account; determining a first ranking of the score associated with the user account among a portion of the set of scores based on at least the attribute of the score; and determining a second ranking of the user account among a subset of the portion of the set of scores based on the value of the score.

Abstract: According to an aspect of an embodiment, a box may include a frame, multiple panels, and a hatch door. The frame may include multiple corner elements and multiple elongated sides. The multiple corner elements may include three vertices with a coupling mechanism disposed at each vertex of the three vertices. The multiple elongated sides may include a first end configured to be coupled to a first corner element and a second end configured to be coupled to a second coupling mechanism of a second corner element. The multiple panels may be configured to be coupled to the frame via a first surface of the multiple panels. An exterior-facing surface of the multiple panels may be flush with the frame and an interior cavity may be formed within the multiple panels and the frame. The hatch door may be configured to provide access to the interior cavity.

Abstract: According to an aspect of an embodiment, an adjustable pull-up bar may include a bar, a structural mount, a lever arm, and a control system. The structural mount may be sized and configured to be attached to a stationary object. The lever arm may include a proximal end and a distal end. The proximal end may be coupled to the structural mount. The distal end may be sized and configured to support the bar. The control system may be configured to adjust the height of the bar relative to the ground.

Abstract: Systems, methods and kits for orally delivering material via a pliable valve comprising a primary passageway, a secondary passageway, a primary valve oriented within the primary passageway, a secondary valve oriented within the secondary passageway, a first surface feature on an exterior surface of the bite valve, and a second surface feature on the exterior surface of the bite valve, wherein pressure applied to the first surface position opens a primary valve and pressure applied to the second surface position opens the primary and secondary valves are disclosed.

Abstract: A sight assembly may include a body or chassis having a channel configured and dimensioned to fit on and secure to the rib or rail of the barrel of a firearm. A pair of opposing pivotable cams are configured to secured against opposite sites of the rail using screws or other members to provide a biasing force against each cam. A light source directs light through an optical housing supported on the chassis and through a lens toward the user, such that the light may be visible only when the firearm is properly aimed.

Abstract: Disclosed is a jump rope assembly comprising one or more handles having a jump rope secured to a head that is rotatably disposed on a body of the handle. Additionally, head may include a fastener attached to an end of the rope and secured within the head of the jump rope yet still free to rotate about an axis formed by the centerline of the rope body. In some configurations a universal joint is attached to each end and secured to the jump rope handle, with one end of the input yoke acting as a column for rotation and one end of the output yoke used to secure the rope, and both free ends of each yoke attaching to the cross-trunnion to complete the assembly.

Abstract: Disclosed is a jump rope comprising: an oil impregnated bushing; having a pair of handles with an external surface treatment. Additionally, the rope may include a fastener attached to each end and secured within the head of the jump rope yet still free to rotate about an axis formed by the centerline of the rope body. In some configurations a universal joint is attached to each end and secured to the jump rope handle, with one end of the input yoke acting as a column for rotation and one end of the output yoke used to secure the rope, and both free ends of each yoke attaching to the cross-trunnion to complete the assembly.

Abstract: Systems, methods and kits for orally delivering material via a pliable valve comprising a primary passageway, a secondary passageway, a primary valve oriented within the primary passageway, a secondary valve oriented within the secondary passageway, a first surface feature on an exterior surface of the bite valve, and a second surface feature on the exterior surface of the bite valve, wherein pressure applied to the first surface position opens a primary valve and pressure applied to the second surface position opens the primary and secondary valves are disclosed.

Abstract: Disclosed is a jump rope comprising: an oil impregnated bushing; having a pair of handles with an external surface treatment. Additionally, the rope may include a fastener attached to each end and secured within the head of the jump rope yet still free to rotate about an axis formed by the centerline of the rope body. In some configurations a universal joint is attached to each end and secured to the jump rope handle, with one end of the input yoke acting as a column for rotation and one end of the output yoke used to secure the rope, and both free ends of each yoke attaching to the cross-trunnion to complete the assembly.