VERSO, Compact, lightweight belay/rappel device, for use with one or two rope strands and for rappelling - Petzl USA
REVERSO®, Versatile, lightweight belay/rappel device, for use with one or two rope strands and ability to belay a second climber from the anchor - Petzl USA
![Amazon.com : PETZL GRIGRI Belay Device - Belay Device with Cam-Assisted Blocking for Sport, Trad, and Top-Rope Climbing - Blue : Sports & Outdoors Amazon.com : PETZL GRIGRI Belay Device - Belay Device with Cam-Assisted Blocking for Sport, Trad, and Top-Rope Climbing - Blue : Sports & Outdoors](https://m.media-amazon.com/images/I/6132Sd+81VL._AC_UF350,350_QL80_.jpg)