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