Single Rope Technique (SRT) Systems & Equipment overview from WesSpur Tree Equipment Arborist Catalog | Arborist climbing, Tree climbing rope, Climbing technique
PMI Frog "H" Chest Harness
Single-rope technique - Wikipedia
Ultra Lightweight Frog Climbing Package w/ mini rack — The Cave Exploration Society Inc.
Frog walker, with croll - YouTube
Comparisons of the Frog and the Mitchell
Aspiring Frog SRT Kit - Aspiring
Cavechat.org • View topic - Advice needed on ascending/descending setup