Cc'ing a head tools?

I have a 50 cc barette, and the piece of lexan to cover the cylinder will be easy to get, mainly need something to hold the barette and cobble something to hold the head in position.
Jr college freshman chemistry was a LONG time ago, don't know anyone currently taking any such classes at the moment who could "borrow" the setup used there any more these days.
What do you guys have/use?