{TAIL ~ The asymmetrically offset profile} has {HEAD ~ a plurality} of longitudinally spaced engagement thresholds 
{ TAIL ~ The asymmetrically offset profile } has { HEAD ~ a plurality } of longitudinally spaced engagement thresholds
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH