By: Derek Plattsmier (Jan, 2018)
This vise is supremely sturdy, simply but excellently engineered and is my favorite "work positioner"-type vise that I own (I own six different makers' versions).
The Jerry-Rig Vise is probably THE most versatile - it's just awesome.
I own this product.
Jerry-Rig Universal Vise
By: Gary Hill (Oct, 2016)
You might want to change "cause" in your first sentence (upper right corner on my screen) to "able"