Jadnashua
Retired Defense Industry Engineer xxx
FWIW, when new, there's a sticker on the spout telling people how to activate the shower...now, that usually gets peeled off before first use, but hopefully, by then the owners know how to use it...doesn't help the rest of us! But, I'd heard about them, so was not confused when I first discovered one. At one hotel...they had a plack on the wall telling people how to activate it...they probably got tired of getting calls to the desk asking...