Por un escritor de hombre misterioso
The Petzl Grigri belay device is one of the most popular belay devices on the market. In the following videos you will find out in detail
How to belay the leader with a GRIGRI - Belaying techniques
Belaying with the GRIGRI - Petzl USA
Making the pinch method (belaying with a Grigri) safer?
How to Give a Perfect Lead Belay with a Grigri
How To Use A Petzl GriGri + NEW GriGri+
This is how you tie off the Grigri to have both hands free - Lacrux climbing magazine
Tech tips - Petzl Other, GRIGRI® +
Review - GRIGRI+
How To Belay with a GriGri - Learn To Rock Climb - VDiff
Rappelling with the GRIGRI - Petzl USA