| Image | Summary | ||||
|---|---|---|---|---|---|
 | DMM Belay Master (v1) | HMS | manual | gate stopped | early belay specific carabiner, side-gate anti-crossload |
 | DMM Belay Master v3 | HMS | manual | gate stopped - gate stop | modern version side-gate anti-crossload carabiner |
| Image | Summary | ||||
|---|---|---|---|---|---|
| DMM Belay Master (v1) | HMS | manual | gate stopped | early belay specific carabiner, side-gate anti-crossload |
| DMM Belay Master v3 | HMS | manual | gate stopped - gate stop | modern version side-gate anti-crossload carabiner |