This was made for the
Sand Rover, but uncut it could stand on its own.
If you have a bit of luggage space in the back of your beach buggy, you would obviously put a crate of dynamite there.
This one has the inventor's label.
This is made from lolly sticks on a couple of 10.5mm stripwood struts. The colour is Tetley brown!
A diagram is
here.