Cog:

Hmm, the old Wizard mumbles a lot, but the master was right, he's distracted all right. Keep an eye on him, though just in case...OK, last twist...

...through! - right, whack in the tube and shove it in the bag - I don't know what happens if you spill this kind of thing, probably all sorts of trouble - right, that's it... just wait till the flow stops, I suppose. That was easier than I expected. Didn't even have to suck to get it started. Just wait nice and quiet, come on now... tum-te-tum...tum... te...

er - why is the bag moving? -

Blimey.