"Arch" wrote: (clip) I suppose that a catch basically drives the bit down
and the handle up, but If the brace moves laterally holding a captured
forearm is flesh or steel the winner? (clip)
^^^^^^^^^^^^^^
I have never heard of a broken arm from this, but I have heard of catches
that produced scary arm-twisting. This may sound silly, but how about
putting in a shear-pin to limit the severity of the arm-jolt?