: The back brace I made.... the stitching came apart. BUT.... that
: made me realise that the back of the combing is where I want
: support. I will probably repair the back brace but I will look
: at a curved wooden (but padded) kind of back rest that conforms
: in the curve to the combing but is wider and has some sort of
: "self conforming, sort of hinge thing" !!!!! when I
: lean back on it.

Pictured below is something that has worked well for me.

The strip back-rest is a bit of deck left over from an old cockpit cutout with some camp-mattress glued onto it. Joining the backrest to the bulkhead is a rubber windsurfing universal joint which allows the backrest to adjust to the optimum angle.

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