I'm really struggling to turn on my shower. My room mate has gone out but I swear her niece and nephew had it working this afternoon so I'm feeling very stupid right now.
There is a clear bit that turns and just keeps turning and the white shower head won't pull down, I don't know what else to try.
It's not even that there is water coming from the bath tap, I can't get any water out at all.

Hi MAIT

Try pulling the "clear bit" (KNOB/HANDLE) out and see if that gets the water flowing... ;) Otherwise, we need a name brand or a picture of the valve to tell you much more, OK?

Mark