In {TAIL ~ other embodiments}, grooves 350 and 352 and flexible electrical flexible electrical connectors 322 and 324 may interlock in {HEAD ~ a press fit} 
In { TAIL ~ other embodiments } , grooves 350 and 352 and flexible electrical flexible electrical connectors 322 and 324 may interlock in { HEAD ~ a press fit }
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD