The Horse Pilot airbag cartridge is a compatible gas refill for the V.1 riding airbag vest and the  Twist'air riding airbag vest developed by In&Motion. Airbag charging Horse Pilot developed by In&Motion has been designed to guarantee an ergonomic shape and a large volume of gas allowing optimal protection. Thanks to a volume of air trapped in 4 small cartridges, the system maintains a discreet and comfortable shape. When triggered, the 4 small gas canisters contained in the cartridge are instantly emptied to inflate the entire airbag. A gas cartridge contains 4 cylinders.