Referring to FIGS 1 and 2, {HEAD ~ body board} 1 has a spongy core C, {TAIL ~ a nose} 3 and a tail 6 
has
Referring to FIGS 1 and 2 , { HEAD ~ body board } 1 has a spongy core C , { TAIL ~ a nose } 3 and a tail 6
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH