A method of forming a lance type clinch joint fastening a plurality of {HEAD ~ sheets} of {TAIL ~ deformable material} together, comprising: 
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A method of forming a lance type clinch joint fastening a plurality of { HEAD ~ sheets } of { TAIL ~ deformable material } together , comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH