Rock Climbing Basics: Extending a Rappel

Why I extend my abseil/rappel devices with a quickdraw

The extended rappel, explained — Alpine Savvy

Rock Climbing Terms & Lingo Guide

Rock Climbing Basics: Intro to Cams

Anything wrong with extending rappel on a bowline with a Petzl

Double loop bowline for a rappel extension

Climbing Magazine

Climbing Safety Education in College Outing Clubs: Rappelling

Hiking out of coyote gulch

American Alpine Institute - Climbing Blog: Rappel Rope Climbing Trick