Hmm. I've been looking for the same, mostly for fun. But there aren't that many alternatives.
In Sweden we got these, but they are even more expensive.
http://88motorsport.se/vattenskoter-batlyftar/1549-vattenskoterlyft-till-akterspegel-xl-500.html
In Sweden we got these, but they are even more expensive.
http://88motorsport.se/vattenskoter-batlyftar/1549-vattenskoterlyft-till-akterspegel-xl-500.html