Drill a 2x4 with a set of holes the same diameter as the hull,
Rip the 2x4, which will remove some of the hole diameter.
Place hulls in 2x4 with rim on the edge of 2x4. Clamp both ends of the 2x4 gently.
Set the fence on the table saw, so the correct length is set.
Saw the hulls.
Repeat
Mike


USAF RET 1971-95 [Linked Image from jpgbox.com]