Three small stones that are apparently strongly tied to a rope are released to the choice of the magician.
EXPLANATION:
Take the stones of the rope before you do the trick of making a false knot, to make it bend the pieces of rope and tie a way a kind of hook to hook the other piece . This false knot is covered with the center stone the other two stones are placed inside the rope on both sides of the stone centers. Now show your audience how are you two can move around the rope, ask someone to hold the rope at both ends and make a simple knot , ask the spectator to hold both ends again and now covers the three stones with a handkerchief and asks the viewer to pull hard on the tips protruding from the three stones that will fall the central chosen you as the viewer and holding the rope remained intact remains linked with the other two stones.