Mike Lyle wrote:

If you want to shoot water into one
spot (maybe not a good idea, but it's not my garden), what's wrong with
just taking the rose off the can and taking more or less careful aim?

Yes, that's what I'm doing at the moment, but it's unsatisfactory.
It's very difficult to control the flow - you end up sloshing it
around, especially if you're having to extend your arm, and so you
waste a lot of water.

Ken