Is Rubik's wall good

calls out a card that is found to be the only card reversed in an openly-displayed deck

this linguistic technique will only work in English

no elastic band

WONDER WALLET POUND | Astor Mavresis Is Rubik's wall goodThe Wonder Wallet is handmade from high quality German plastic material, this guarantees the long durability of it. The performer takes out of his pocket a wallet which has a rectangular hole in the middle. Just a small shake and a real banknote appears faster than a blink of an eye in the inside of the wallet. The appeared banknote can be used for another banknote effect, or doing it impromptu in a shop, bar, pub for paying.