@ ClimbingMag: Increase speed and efficiency on multi-pitch climbs by belaying in guide mode. Here's how.

Increase speed and efficiency on multi-pitch climbs by belaying in guide mode. Here's how. http://t.co/1rOhIKzM9R pic.twitter.com/2KepE1mEYB

— Climbing Mag (@ClimbingMag) July 16, 2014