Furthermore, it is preferable that one of the adjacent hinge ledges has a slot at a basal end portion thereof, the slot extending from the inside edge, and wherein the hinge cover is introduced into the slot when {HEAD ~ the pair} of {TAIL ~ hair retainers} are closed 
of
Furthermore , it is preferable that one of the adjacent hinge ledges has a slot at a basal end portion thereof , the slot extending from the inside edge , and wherein the hinge cover is introduced into the slot when { HEAD ~ the pair } of { TAIL ~ hair retainers } are closed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH