If you absolutely must use a skateboard on a slide, I would recommend sitting on the board. It will make the landing in sand a lot easier to deal with.
Also I would not recommend holding on to the sides of the skateboard, in case you accidentally drift towards one side of the slide.
If you absolutely must use a skateboard on a slide, I would recommend sitting on the board. It will make the landing in sand a lot easier to deal with.
Also I would not recommend holding on to the sides of the skateboard, in case you accidentally drift towards one side of the slide.