Originally Posted by climbdenali
MT- I read a few posts in the thread after you posted. I see what they're getting at- that the friction around the biners won't be equal, and will be enough to keep the whole system from slipping all the way around. If you had to set something up VERY fast and weren't going for huge loads, I see how this could work.
The first pic shows nearly the same system, but there is a knot in the webbing that keeps everything from slipping, and gives you a theoretical 4:1. I guess I'd probably take the time to tie one extra knot, even in a hurry, then I wouldn't have to worry about pinching the webbing as it goes around one of the carabiners to keep it from slipping.
I completely agree.
One of the other posts also recommended taking an extra turn or two around the static biner, which would also add friction there, be faster than a knot, and should also reduce the "weak point" of adding another knot.