Of course other types of fasteners, including snaps, buttons, {HEAD ~ buckles} and the like, may be used to hold the strap 20A securely but comfortably around the head of {TAIL ~ the user} 
Of course other types of fasteners , including snaps , buttons , { HEAD ~ buckles } and the like , may be used to hold the strap 20A securely but comfortably around the head of { TAIL ~ the user }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL