Further, to facilitate storage, {HEAD ~ the clamps} may be provided with one or more openings such as shown at 20 in FIG 4 by which the clamps may be suspended from {TAIL ~ a support pin} when not in use 
Further , to facilitate storage , { HEAD ~ the clamps } may be provided with one or more openings such as shown at 20 in FIG 4 by which the clamps may be suspended from { TAIL ~ a support pin } when not in use
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH