Prop: A ring, matchstick, card(s)
MAGIC:
Have you ever seen a card, sticking to your palm. Here you can do it. Just place your hand on the cards, and lift your hand. Wonder! the card sticks to your palm and does not falls down.
SECRET:
Put a ring in your middle finger. Place the matchstick inside the ring, so that both side of the matchstick sticking out. When you place your hand on the card, just place it, so that the card goes in between the matchstick and the hand.
Do it carefully, so that spectators dont notice it. Several times of practice will do.