Abstract: Survival kits are provided with multiple detachable tool components, including a spear tip and a plurality of detachable fishing hooks. In some instances, the survival kits also include a serrated saw. Some survival kits are formed into a planar card shape.

Abstract: Tool kits are provided with multiple detachable tool components. The tool kits are formed into a planar card shape with an irregular outer boundary that includes at least part of a profile of one or more of the detachable tool component(s).

Abstract: A filter support structure is provided. This filter support structure includes a multi-sided funnel, which is comprised of a plurality of interconnecting walls where each wall forms one side of the multi-sided funnel. Each wall is connected to two adjoining walls via a latching mechanism. The filter support structure further includes a base support that includes a central opening. The central opening is shaped to correspond to a number of walls that are included in the plurality of walls of the multi-sided funnel. A portion of the multi-sided funnel is fittable within the central opening of the base support.

Abstract: An improved thermos lid is provided. The improved thermos lid includes a spout, a vent, and a rotatable valve cover that includes a snorkel. The rotatable valve cover is rotatable so as to either reveal or cover the spout. When the spout is revealed, the snorkel is positioned overtop of the vent, which creates a pathway between the vent and an outside atmosphere.

Abstract: A grinding unit is provided, which includes an elongated body, a top cap, a bottom cap, a grinding lever, and a supporting sleeve. The supporting sleeve surrounds the elongated body and includes a support channel. The support channel is structured so that the grinding lever can be removably affixed to the support channel with a friction fit.

Abstract: An improved thermos is provided. This improved thermos includes an outer thermos and a nestable inner thermos which is structured so as to be nestable within the outer thermos. The thermos includes a lid that is structured to seal the nestable inner thermos and a dual functioning base which is configured in size and shape for physically operating as both (1) a base for the thermos when the dual functioning base is positioned on a bottom portion of the thermos with a friction fit, and (2) a lid for the outer thermos when the dual functioning base is positioned on a top portion of the outer thermos with a friction fit.

Abstract: Tool kits are provided with multiple detachable tool components. The tool kits are formed into a planar card shape with an irregular outer boundary that includes at least part of a profile of one or more of the detachable tool component(s).