6 Steps to Rappelling with a "Third Hand" Backup (Autobloc Hitch)
Amazon.com : BEIFENG Auto Locking Carabiner 25KN Professional Rock Climbing Carabiner Obtained UIAA Certification Heavy Duty Carabiners Suitable for Rock Climbing, Camping, Rappelling, Rescue(All Black-2PCS) : Sports & Outdoors
SAR Special Operations Blog - ROPE RESCUE: How to create a rappel braking system with just carabiners The carabiner brake method for rappeling is somewhat complex to set up, according to "Mountaineering: