Preferably {HEAD ~ the holes} in {TAIL ~ the body} are specially configured to increase the gripping strength of the device, with the protrusions on the button member aiding in the gripping 
in
Preferably { HEAD ~ the holes } in { TAIL ~ the body } are specially configured to increase the gripping strength of the device , with the protrusions on the button member aiding in the gripping
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH