Three ring parachute release demonstration high speed - YouTube
3-Ring Maintenance - Skydive Spaceland Houston
3-ring - Harness System - BASE - Products - Skydiving gear
3-ring release system - YouTube
3-Ring Riser Release Hardware - Gold State Gear
Sin City Skydiving - The three-ring release system was invented by Bill Booth and patented in 1978 as a means of attaching and detaching a canopy from its harness. | Facebook
3 Ring Necklace
3 Ring Release
What is the 3-Ring System? – Skydiving Blog by Augusto Bartelle
3-Ring Release System" Sticker for Sale by NoahRich | Redbubble
3-ring parachute release system - GIF, video, patent - HomemadeTools.net
Gear wisdom: 3-rings - Skydivemag
Drogue release system | Download Scientific Diagram
Gear wisdom: 3-rings - Skydivemag
File:Djembe skin mounting system - three rings.jpg - Wikimedia Commons
3RQRS – 3 RING QUICK RELEASE SYSTEMS | Adventure Climb Rescue