On Sat, 7 Nov 2009 01:52:08 -0500, "J. Clarke"

The vise should have one or more retractable dogs. You want the dog holes
aligned with those, and spaced to something less than the total movement of
the vise.

It's an older Record vise on the order of 20 years I'd guess. No
retractable dog on it. I'll have to jury rig something for it.