You disconnect them from the radiator first! I wasn't suggesting giving it a yank.

Well you cant drain it down without gradually loosening the nuts anyway. Which is a general rule for life.

I'm not sure if that's still innuendo, but in case it is, make sure you grip your tool suitably and find something to catch the drips.

Keep your finger wet and don't squeeze too hard were the golden rules of using decorators caulk in another room

When I was a young girl my Mother said to me.. You listen here kid you're CPFC

grip it with both hands but pull down hard with your first tug so your nuts don't become loose, when you let go you'll get full drainage so make sure you have anticipated the possibility of flooding

Threads that aren't about Alan Pardew. There are more Pardew threads than Willo threads now and I prefer reading the latter.