REVIEW of the Petzl TWIN RELEASE pulley for mechanical advantage with built in progress capture
21:37
Tree Work Tips: Mechanical Advantage with PETZL Pulleys (V2)!
3:44
Technical Rescue with REEVE and TWIN RELEASE pulleys
30:47
M670 Is One Again
10:51
Petzl Spin L1D - Not your standard pulley, you’ll love it!!
14:02
Calculating mechanical advantage in Pulley Systems
4:13
4:1 Mechanical Advantage converted to a 12:1
9:12
Progress Capture Devices: ATC Guide, Prusik Minding Pulley, and Micro Traxion
5:10