The channel has an entrance opening in a direction radially of {HEAD ~ the end portion} which is opposite {TAIL ~ the direction} in which the handle portion is angled from the end portion 
is opposite
The channel has an entrance opening in a direction radially of { HEAD ~ the end portion } which is opposite { TAIL ~ the direction } in which the handle portion is angled from the end portion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH