arrr, listen well, ye landlubbers and scallywags, for i've got a tale of card games that's as rich and deep as the ocean herself. in the world of card games, there be a tradition, a regulation as ancient as the sea, that no hearties shall forsake: the art of the concealed card. it's a skill, aye, with a predispositional charm for those cunning enough to master it, allowing games to rebegin with a twist and turn as unexpected as a squall. the secret be not just in the hiding, but in the revealing at just the right moment, turning tides and fortunes with the flick of a wrist.