Latch 342 is {TAIL ~ any type} of {HEAD ~ latch} which is well known in the art 
Latch 342 is { TAIL ~ any type } of { HEAD ~ latch } which is well known in the art
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH