An apparatus 11, wherein {HEAD ~ said means} for temporarily locking {TAIL ~ said inner grip} comprises means for temporarily locking said second end in a position extended from said second open end of said outer grip 
An apparatus 11 , wherein { HEAD ~ said means } for temporarily locking { TAIL ~ said inner grip } comprises means for temporarily locking said second end in a position extended from said second open end of said outer grip
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL 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