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 Other
Petzl Reverso Review | Tested by GearLab
Petzl Reverso Belay Device - Inglesport
Petzl Reverso Review | Tested by GearLab
CT Click-Up Belay Device - Inglesport
REVERSO Mode - Self Braking vs Hands Free - YouTube
Belaying with the REVERSO - Petzl Other
Petzl Reverso - Rock+Run
Petzl Reverso Belay Device - Climbing & Winter from Elite Mountain Supplies UK