Now I can feel more justified in carrying around a prop that previously I only used for signing
cards. This is the perfect addition to Rick Merril's vanishing magic marker to coin transposition.
The magic continues to occur every few seconds with this effect. Williamson's wand vanish (and
recovery from marker cap) can be incorporated into the routine. If you don't normally carry a wand,
the stretched marker can double as one for subsequent effects. Perhaps, best of all, the "solid"
marker cap is easy, i.e. unique enough, to find in a coat pocket full of coins, sponge balls and
thumbtip so that it can be quickly palmed.