Adjustable Trampoline

原文（中国語）

This disclosure relates to a trampoline that comprises a frame, a mat, a plurality of spring elements arranged between the mat and the frame, and a plurality of fastener members. The fastener member comprises an anchor point of the spring element and the mat comprises a plurality of fabric loops with at least two casings that are arranged to receive the N fastener members. The tension of the mat can be adjusted by the changing the placing of at least some of the fastener members between the casings or adding more fasteners and springs.