Thanks Roger I have been trying to get a photo showing the bracket without much success.
It is all very tight on a 4 seater.
The seat base and kick plate are very close to the rear tube so there is no room for the top plate and mounting block for the bump stop on your excellent design.
I mounted the bump stop directly onto a heavy duty L bracket then clamped it with a heavy duty U bolt to the rear tube.
The bump stop is positioned an inch over the top face of the leaf spring.
It is adjusted by sliding up or down the tube.
A bit basic but it works.