Well this is an excellent start – make the most of the slippery bubbles and water like this:
https://www.tumblr.com/dashboard/blog/hornycpl08/135410307193
Then hopefully you have a detachable showerhead so you can use it like this:
http://myworldisallfuckedup.tumblr.com/post/133984256333/this-woman-is-having-some-good-clean-fun-by
Of course, you’re just edging, so no cumming!
And for some, it’s a real turn on to imagine someone you fancy is secretly watching you…
If you’re lucky enough to own a suction cup dildo then this is one of the reasons they are so great:
http://rebelalicexo.tumblr.com/post/135480509904/this-is-why-my-water-bill-is-so-high-lol