Glossary of terms related to accordion boot material

• accordion - having folds or pleats like a bellows.
• boot - any sheathlike protective covering
• seal - anything that tightly or completely closes or secures a thing.
• topper - a thing that tops, such as a shell to top a truck bed
• camper - Also called pickup camper, truck camper. a trucklike vehicle, van, or trailer that is fitted or suitable for recreational
• camping, or a pickup truck on which a structure fitted for camping is mounted.
• shell - a hard, protecting or enclosing case or cover.
• window - an opening in the side of a vehicle for the admission of air or light, or both, commonly fitted with a frame in which are set movable sashes containing panes of glass.
• pickup - a small truck with a low-sided open body, used for deliveries and light hauling
• rubber - a material made by chemically treating and toughening this substance, valued for its elasticity, nonconduction of electricity, shock absorption, and resistance to moisture
• extrusions - to form (metal, plastic, etc.) with a desired cross section by forcing it through a die.
• gasket - a rubber ring or similar material, for placing around a joint to make it watertight.
• truck - any of various forms of vehicle for carrying goods
• caps - To cover, protect, or seal
• weatherseal - A device such as rubber used to fill a seam to protect from the environment.
• sleeper cab - A fiberglass shell added to the truck bed and opens up to the truck cab. The shell extends the cab about 3 feet. in width
• blow through - big hole cut in the cab of the truck. Ususally the hole that is cut is just a rectangle, square or circle cut in the metal. That hole ends up being a port for the box in the truck bed.
• cutout - Something cut out from something else, as a pattern or figure.