The material of the body portion is one which has {TAIL ~ strong rebound properties} for tightly gripping around and holding {HEAD ~ the stem} 
The material of the body portion is one which has { TAIL ~ strong rebound properties } for tightly gripping around and holding { HEAD ~ the stem }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD