{HEAD ~ This invention} relates to {TAIL ~ the field} of exercise equipment and specifically to hand held weights in the form of dumbbells 
relates to
{ HEAD ~ This invention } relates to { TAIL ~ the field } of exercise equipment and specifically to hand held weights in the form of dumbbells
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH