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