Passing Knots When Ascending Rope (3 Different Ways)
Преимущества Перселла Прусика
Does PURCELL PRUSSIK save you If you fall on an ASCENDER???
Purcell Prusik
Part 3 (of 3) Practical Abseil Tests: Which Has More Friction, One or Two Carabiners?
Ascending Rope: Frog System
Tensioning Highlines w/ Camming Rope Grabs: Force Limiting vs. Breaking Ropes
Ascending a fixed rope using prusiks
Ascending on Rappel
Как лазать: Что такое Прусик Перселла и как его завязать.
Lanyard adjusters, Petzl ART Notch and more 
Узел Хедден для спуска по веревке или резервного фрикционного устройства
Как лазить по веревке с помощью прусиков | Climbing Daily, выпуск 1549
VT/EYE TO EYE PRUSIK Educational Series (Episode #1)!
Climbing tips: How to tie a Purcell-Prusik loop (Personal anchor system)
How to Ascend Climbing Rope
Ascend & Descend with Top Prusik Backup. Self Rescue & descend with Top Prusik Backup
Aerial Rescue from “Platform Tower” Chairlifts via Cable Riding
Tree Climbing: Ascending with Texas Kick
"It won't hurt you," they say