{TAIL ~ The pair} of leg means are pivotally mounted to the top and to a secondary member located vertically downwardly from {HEAD ~ the pivotal connection} to the top 
{ TAIL ~ The pair } of leg means are pivotally mounted to the top and to a secondary member located vertically downwardly from { HEAD ~ the pivotal connection } to the top
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH