are you after the plastic bit that the foam sticks to? or are you going down the stupid root of putting metal bars and plate into your s6f as this is a silly idea!
I still have my plastic shock block bit from my s6f 192 if you want it we could sort some postage out and you can have it
Or just get a big block of mini cell and a bread knife to create a comfy footrest try the shape below your heels stay on the flat bit and your feet rest on the slopey sides reallly comfy
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