In that regard, in the preferred embodiment the body 26 also has a groove or {HEAD ~ recess} 46 opposite {TAIL ~ the V grooves} 40 in holes 34 to allow depression of the button member 28 until the protrusions 32 extend into grooves 46, thereby providing best alignment of the holes in the button member 28 and body 26 
opposite
In that regard , in the preferred embodiment the body 26 also has a groove or { HEAD ~ recess } 46 opposite { TAIL ~ the V grooves } 40 in holes 34 to allow depression of the button member 28 until the protrusions 32 extend into grooves 46 , thereby providing best alignment of the holes in the button member 28 and body 26
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH