a cooling device for cooling at least a portion of {HEAD ~ the scrotal skin} of {TAIL ~ the target area} 
of
a cooling device for cooling at least a portion of { HEAD ~ the scrotal skin } of { TAIL ~ the target area }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL