On Sat, 07 Nov 2009 01:40:08 -0600, Chris Friesen
wrote:

Put a wooden chop on the movable jaw and put a dog hole in it.
Something like the one shown he

Not sure what you mean by "chop", but wooden jaws with one or two dog
holes would be entirely feasible. Thanks.

Some of these bench pups by Lee Valley would work nicely.
http://www.leevalley.com/wood/page.a...=1,41637,41645