Andrew Mayne - Hyper Cards

The cards can be borrowed 
No advanced preparation 
No extra gimmicks
Magician borrows two playing cards. He rips out their centers and magically makes them link before the spectator's eyes.The cards are separated and the audience is allowed to examine the cards in the middle of the effect. The magician then causes the cards to link again! The cards are separated one final time， and given away.