From Magicpedia, the free online encyclopedia for magicians by magicians.
The Braue Add-on is a sleight which permit to add one (or more) cards in the act of showing other cards.
It was first described in Hugard's Magic Monthly, Vol. 2, No. 12, May 1945, page 119 as The Secret Addition and later in Vol. 3, No. 2, July 1946, page 135 as a modification.