Originally Posted by hogpaw

That is true about the short jaws. Here is a link to the extension arms JS Fly Fishing: Rod Building, Fly Tying: BT's Fly Fishing Danvise Extension Arm

The only negative thing have seen is some people break the jaws. It comes with a video that shows you how to set the jaw tension. If you follow that it is no trouble. The reason people break them is they adjust them too tight and then try to clamp a hook in there.