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