Dear Reader, this joke is so wrong in so many ways and on so many levels that it is one of my favourites of all Invisibule comics so far. There, I have a twisted sense of humour, and I don’t care who knows it. I’ve often wondered if the problem of choosing a material to make jars for vanishing cream is analogous to the problem of choosing containers for super-glue.

↓ Transcript
1. (I don't _believe_ it)
2. (where _is_ _it_?)
3. (I've done it _again_)
4. (I've _lost_ my jar...)
6. (...of vanishing cream)