and both sides of the coin are now blue

a borrowed ring or any other small object inside a sealed can

You explain to your spectator that the card has traveled in the card case but when the spectator takes out the card it's a blank card on both sides

Snap Change

He unfolds it and shows it's precisely the named one

Distilled | Ryan Plunkett McGire and both sides of theDistilled is a stunning collection of practical, professional effects plucked directly from the working repertoire of Ryan Plunkett, the resident magician at the famous Chicago Magic Lounge. Like a fine whiskey, this remarkable array of effects has been slowly distilled and refined across real world performances for sold out audiences six nights a week. Filled with over 300 gorgeous photographs across 200 pages of step by step instruction, Distilled