The first component may comprise a first elongated beam adapted to undergo {TAIL ~ substantial deflection} in {HEAD ~ a substantially elastic manner} a first engagement element, and a third engagement element 
The first component may comprise a first elongated beam adapted to undergo { TAIL ~ substantial deflection } in { HEAD ~ a substantially elastic manner } a first engagement element , and a third engagement element
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH