PAS - Personal Anchor System

值得一讀

http://www.climbing.com/skill/anchors-away/
dynamic loading / shock-load


impact force & fall factor on nylon and dineema and overhand knot
http://www.outdoorsafetyinstitute.com/index.php/news/single/
trouble_with_climbing_tethers/
非常有趣的影片  深入淺初了解


CLIMBING PROTECTION
http://www.rockandice.com/lates-news/climbing-protection?page=1

CLIMBING ANCHOR AND BELAY STATIONS
http://www.rockandice.com/lates-news/climbing-anchor-and-belay-stations?page=1