20th Century Comedy Panties - Silks
The magician displays two red silk handkerchiefs, knots them
Freely display two red silk hankys & knot these together at the corners.
Asks a female spectator to place the knotted part inside her dress, making sure it doesn't fall.
Now show a third different color silk and VANISH it! "
You'll make it appear tied between the other silks"
But, when the magician steps behind the spectator, grabs the hanging ends of the silks and pulls them out, a pair of panties appears tied between!