Post #658409 by pjc5150 on Sat, Nov 10, 2012 8:31 PM

well, basically the jawhorse is a foot-pedal operated clamp. you put what ever you're working on in the clamp, hand tighten it, and then push down on the pedal and it squeezes harder & then locks.

it's actually a very handy item...I'm definitely glad I got it.