Chest Roller for Texas Walker System

This is an overview of the chest roller used as part of the Texas walker system for ascending rope, primarily for caving.

[@andrewnewton8404]

I know it’s been a while, but I’ve been trying to find the parts required for this roller recently and was wondering if you could help me

[@troy4219]

Let's see it in action

[@AndresDuarte00]

I want to see it in action

[@Kyeguy1]

Can I buy it anywhere?