OK - dumb after all :-)

Found that there are two latches on the back of the seat which do fold the seat forward. In my defense I will say that I couldn't seen them because they are covered by two pairs of folding seats which I keep for an occasional picnic.

Apparently I was picking on the wrong straps which only allow you to reclaine your seat.. thanks anyway...

Oh, and the floor underneath is lumpy.. will not consider sleeping there..

Moshe