The Mellotron Group

> You'll have to wrap some tape around the base of replacement
> caps, to secure them within the original clamps. I use paper
> masking tape, as the plastic variety sometimes "slides" when
> clamed tightly.

Or, if you are handy with a saw you could do it like this:

http://pages.plotinka.ru/~cyciron/chinauser.jpg

-joachim