Wanted: Stainless Bench Backrests or Jockey Backrests x 2

[Colin D]

Looking to extract some of the Ribnet endless information on how to make a safe seat at the back of my Valiant pt 520 .The last owner put a bench base on the back of the boat hence im just lokking for the backrests or any ideas you guys might have .Any ideas greatly appreciated as I dont want to loose my kids out the back .

[ajstars]

This is ours if it helps?
The one one the end of the bench (no photo available) is made using two large triangular alloy supports screwed through the marine ply base and reinforced with a large block of wood. This is attached to a stainless frame with back rest attached.
The ones photographed are made using an old stainless bottle rack. I weld them with stainless wire.