Handle 7 merges into {HEAD ~ a neck} 11 and the pivotal stump 12 fits into a channel 34 of {TAIL ~ housing} 8 
Handle 7 merges into { HEAD ~ a neck } 11 and the pivotal stump 12 fits into a channel 34 of { TAIL ~ housing } 8
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH