| Image | Summary | ||||
|---|---|---|---|---|---|
 | DMM Big Boa Locksafe | HMS | full-auto | lift-and-twist | large, classic high quality triple-action |
 | DMM Big Boa Screwlock | HMS | manual | gate stopped - gate stop | large 2000's screwlock |
 | DMM Boa Locksafe | HMS | full-auto | lift-and-twist | early triple-action carabiner |