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