Unbelayvable: How Not to Use a Grigri Edition - Climbing
GriGri – TreeXP
GriGri vs. ATC: Which Belay Device Is Right for You? - 99Boulders
Accidents in North American Climbing - Weekend Reminder: Use a Grigri correctly when lead belaying. http://bit.ly/1FSpINL This 30-foot ground fall accident resulted from a belaying error in which the inexperienced belayer incorrectly