PROGRESSIVE DESCENT CONTROL: 3:1 mechanical advantage of the camming mechanism helps smoothly control the rope and reduce lowering efforts regardless
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PETZL GriGri Assisted Braking Belay Device REVIEW
Petzl GRIGRI Cam-assisted Blocking Belay Device - Used / VG (Blue
Petzl GRIGRI Belay Device - Belay Device With Cam
Petzl GRIGRI Belay Device - Grey
PETZL GRIGRI Belay Device - Belay Device with Cam-Assisted
Petzl GriGri Belay device with cam-assisted blocking
PETZL GRIGRI CAM-ASSISTED BLOCKING BELAY DEVICE
Petzl GRIGRI + Belay Device with Cam-Assisted Blocking and Anti
Petzl Grigri +
Petzl GRIGRI + Belay Device
PETZL GRIGRI Belay Device - Belay Device