Thumb break
Videos
A thumb break or retaining strap is a safety device installed on many holsters and sheaths to prevent a weapon from being unintentionally drawn.
A holster with a retaining strap.
Parachuting
Videos
Parachuting and skydiving are methods of descending from altitude to the surface using the power of gravity, and a parachute. The three phases of parachuting are free-fall, parachute deployment, and l
A skydiver holding the aircraft door immediately before exit at altitude
Garnerin by Edward Hawke Locker
Skydivers in freefall
Reserve parachute (right) in use