<VV> Corvair on EBay

[Clark Hartzel]

Can anyone tell me what is on the back of this Corvair?
http://cgi.ebay.com/ebaymotors/1961-Corvair_W0QQcmdZViewItemQQcategoryZ6783Q
QitemZ7991597865QQrdZ1
It extends the rear bumper out a foot or so with a flat surface.
Ron Tinkham

Answer is obvious to me, a shelf to sit a big battery on!!!
Probably someone's attempt to add a continental kit for the spare tire.
Talk about "tail heavy"!
Clark Hartzel