A handle and toggle means is provided for causing the arms to move to their closed position when manually actuated by {HEAD ~ a force} less than the force required to move the arms to {TAIL ~ their closed position} 
A handle and toggle means is provided for causing the arms to move to their closed position when manually actuated by { HEAD ~ a force } less than the force required to move the arms to { TAIL ~ their closed position }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL