Gadgets AirLock Is A Tire Pump And A Bike Lock Combined Into One Gadget The EngineerNovember 17, 2019November 17, 20191 Advertisement The AirLock is based on two facts. Fact number one is that a lot of bicycles, Commuters carry a compact tire pump. Fact number two is that almost all of the Bicycle commuters carry a lock with them. Joe … Read More