{HEAD ~ Two ends} of the electronic device have buckling grooves, respectively; and two ends of {TAIL ~ the strip} have buckles, respectively, the buckles and buckling groove are conductive 
{ HEAD ~ Two ends } of the electronic device have buckling grooves , respectively ; and two ends of { TAIL ~ the strip } have buckles , respectively , the buckles and buckling groove are conductive
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH