iHole by Raphael Macho

A borrowed pair of headphones are threaded through a borrowed ring, with NO moves what so ever. The spectators can even PULL on the headphones. 
After a magical gesture, the headphones melt through the ring!
Everything is instandly examinable. 
You can even link the ring back onto the headphones! (Bonus effect)

iHole is a practical everyday magic trick, which is totally organic and natural. You don't need to carry any suspicious robes with you, just grab your everyday headphones, and your everyday ring - and make a simple and direct miracle for your audience.