All Terrain Self Propelled Wheelchair This Wheelchair can be used on any outdoor terrain, such as cobbles, mud and gravel. It can also be used on snow or grass. This kind of wheelchair can also be used indoors. This chair is self-propelled allowing the user to control their own speed. https://www.mymobilityscooters.uk/products/enigma-k-chair-lightweight-aluminium-wheelchair-with-suspension