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