This is why we anchor our lead climbers!!

Check out the amount of forced needed to cause a single tandem triple wrapped prussik to slide on a 3:1 Z-drag mechanical advantage system. (1500lbs.)

2055lbs. is all it takes to "de-sheath this rope with a Petzel Rescuecender!

Want to see the new 540 belay device actually catch a falling load?

So, you still aren't convince about tandem triple wrapped prussiks for your fall protection/arrest system huh? Watch this video of a test that shows the effectiveness of the system in action.

 
This video is a compilation of destruction test a SMC. Items tested include, carabiner, Rescue 8 descender, brake bar rack, single sheaved pulley, and more.

 
Learn how to tie the Kleimheist

 
Now try the Butterfly knot