Nissen Leisure Limited – The home for all gymnastic and sports equipment.
GMEX Extreme Trampoline – Nissen Leisure Limited
Universal Trampoline Enclosure System for Rectangle frames, not for Nissan or Skywalker Trampolines (trampoline not included) | TrampolinePartsandSupply.com
How the Trampoline Came to Be | Innovation| Smithsonian Magazine