A trampoline is a device consisting of a piece of taut, strong fabric stretched over a steel frame using many coiled springs. People bounce on trampolines for recreational and competitive purposes. The fabric on which users bounce (commonly known as the 'bounce mat' or 'trampoline bed') is not elastic in itself; the elasticity is provided by the springs that connect it to the frame, which store potential energy. A game similar to trampolining was developed by the Inuit, who would toss each other into the air on a walrus skin (see Nalukataq). There is also some evidence of people in Europe having been tossed into the air by a number of people holding a blanket; Mak in the Wakefield Second Shepherds' Play and Sancho Panza in Don Quixote are both subjected to blanketing however, these...'
Contributions by Dabbler, Graham87, and Lumos3.