Quatermass

There's a book about Hammer which is convinced that the scene in The Quatermass Xperiment where Victor Caroon, with his cactus arm, goes into the chemist, is a metaphore for the evils of masturbation.

(Collapses in giggles.) "That's a new one! Oh, I love that. Very clever. A more realistic version of that is: when we did it, the actor who played the character on television, Duncan Lamont, was very good. My wife and I were doing the special effects, such as they were. We had to convert his hand, so we had lots of twigs and bit of stuff and we stuck it on him - with Bostick! Bostick was kind of new then, and Duncan couldn't get it off for a week! He soaked it off somehow in the end, with liberal use of petrol. Terrible stuff. We should never have done it.”