Canyoneering 101 - Biner Block

Rope blocks 101 — Alpine Savvy

Climbing tips: Biner Rope Block (single strand rappel then retrieve with a pull cord))

Canyoneering 101 — Colter Co.

Rappel pull cords 101 — Alpine Savvy

Simple Canyoneering Knots: The Overhand and Figure Eight Knots

Grant Prattley, Author at Over The Edge Rescue

Canyoneering in SoCal: Classes, Route Info and Complete Guide for Beginners' Safety & Instruction — Spearhead Adventure Co.

Biner Blocks and Pull Cord Techniques for Backcountry Canyoneering

Canyoneering Terminology

Multi-Pitch Belay Transitions & Efficiency by AMGA Certified Rock

Multi-pitch climbing - Petzl Other

How To Lengthen Your Single Rappel Rope When It Is Too Short - Climbing

Abseil on Two Ropes with a GriGri - Rock Climbing Skills - VDiff Climbing

Alpine Savvy - Fix one strand to descend with a Grigri . See 350+ more tips like this at alpinesavvy.com . If you have a Grigri or similar auto locking belay device