Some relate to magic or magicians. For example De Vere, and there are three versions of The T. Nelson Downs Palming Coin: one version has no word under the wrist, another has the word FOREIGN in that position, and the third has the word DEMON there.

When the cheese is picked up it wobbles. A small clockwork motor with an eccentric weight makes the cheese wobble as soon as it is picked up. Note that the cheese is labelled Demon and is imported by L. Demon & Co. These are references to Davenports Demon Series.