AAC Publications - Know the Ropes: Cleaning Sport Routes
Cleaning an Anchor and Transitioning from Climbing to Lowering Off with Mussy Hooks
Cleaning an Anchor and Transitioning from Climbing to Lowering Off with Mussy Hooks
How to: Use Mussy Hooks on Top Rope
Know the Ropes: The Low Down on Lowering
AAC Publications - Know the Ropes: Cleaning Sport Routes
What are Mussy Hooks?
Lower Off Initiative — American Safe Climbing Association
Mussy hook climbing accidents