A device 3 wherein said {HEAD ~ clamp means} is comprised of a rigid clamp block and {TAIL ~ a movable clamp pad} so as to permit a flexible sheet of foam material to be clamped therebetween 
A device 3 wherein said { HEAD ~ clamp means } is comprised of a rigid clamp block and { TAIL ~ a movable clamp pad } so as to permit a flexible sheet of foam material to be clamped therebetween
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH