Triple-Action Twist Lock Carabiners
Triple action carabiners, which use a spring-loaded (autolocking) twist as one of the two locking actions.
| Image | Summary | ||||
|---|---|---|---|---|---|
 | Black Diamond Superlock (prototype) | asymmetric D | assisted | lift-and-twist | prototype model of the innovative BD Autolocker |
 | Black Diamond Superlock (v1) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | Black Diamond Superlock (v2a) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | Black Diamond Superlock (v2b) | asymmetric D | assisted | lift-and-twist | basic twistlock plus manually activated secondary autolock |
 | CMC Proseries Manual-Lock | asymmetric D | assisted | lower-and-twist | spring-powered manual locking |
 | CMC Protech Manual-Lock w/Keeper | asymmetric D | assisted | lower-and-twist | spring-powered manual locking, removable keeper |
 | DMM Big Boa Locksafe | HMS | full-auto | lift-and-twist | large, classic high quality triple-action |
 | ISC KH255 Swivel Eye (cap screw) | asymmetric D | full-auto | lift-and-twist | early intergrated-swivel carabiner |
 | ISC Offset Oval Karabiner | offset oval | full-auto | lift-and-twist | aluminum offset oval for professional work |
 | Petzl Am'D Ball Lock (metal sleeve v1) | asymmetric D | full-auto | press-and-twist | press-and-twist unlock |
 | Petzl Am'D Ball Lock (metal sleeve v1b) | asymmetric D | full-auto | press-and-twist | press-and-twist unlock |
 | Petzl Am'D Ball Lock (plastic sleeve v2) | asymmetric D | full-auto | press-and-twist | plastic sleeve button-lock |
 | Petzl Am'D Triact | asymmetric D | full-auto | lift-and-twist | classic triple-action |
 | Petzl Oxan TLA | offset oval | full-auto | lift-and-twist | ANSI rated gate, steel offset oval |
 | Petzl William Ball Lock (metal sleeve b) | HMS | full-auto | press-and-twist | excellent large HMS auto-locker in gold |
 | Petzl William Ball Lock (metal sleeve) | HMS | full-auto | press-and-twist | excellent large HMS auto-locker |
 | Rock Exotica Pirate | HMS | full-auto | lower-and-twist | lower-and-twist to unlock, offset gate |
 | Rock Exotica rockD Auto-lock | asymmetric D | full-auto | lower-and-twist | lower-and-twist to unlock |
 | Rock Exotica rockD ORCA | asymmetric D | assisted | lift-and-twist | assisted auto-locking |
 | Rock Exotica rockO ORCA | oval | assisted | lift-and-twist | assisted auto-locking |
 | Skylotec HMS Double Tri 2.0 | HMS | full-auto | lift-and-twist | unique bi-directional twist |
 | Skylotec passO Double Tri | HMS | full-auto | lift-and-twist | unique bi-directional twist |
 | Sterling (unknown/unreleased) | other | full-auto | lift-and-twist | prototype captive eyes design - possibly for adjustable lanyard |