Every mentalist needs ESP cards in their toolkit and now you can own one of the greatest ESP decks ever devised.
Eclipse is a secretly marked deck of 25 ESP cards (+ gaffs) meaning that YOU know which card your spectator is holding at any time by secretly glimpsing the marks on the back. But these marks are like NO other.
What use are marked cards if you can’t see the marks?! This is a very real problem with the typical alternatives; Nothing looks more suspicious than a performer leaning in and closely squinting at