The LED module is sandwiched between the base and the elastic members, and is thereby secured to {HEAD ~ the base} of {TAIL ~ the heat sink} 
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The LED module is sandwiched between the base and the elastic members , and is thereby secured to { HEAD ~ the base } of { TAIL ~ the heat sink }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL