As discussed below in more detail, {HEAD ~ such features} enable a user to raise or lower the rearward section of {TAIL ~ the collar} with particular ease 
As discussed below in more detail , { HEAD ~ such features } enable a user to raise or lower the rearward section of { TAIL ~ the collar } with particular ease
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH