Andrew Steinmetz, The Gaming Table: Its Votaries and Victims…
“ For the most part, it is only a pretence or dexterous management—keeping a card or cards in your command whilst seeming to shuffle them into the pack. Every performer has his method of such shuffling. Some hold the pack perpendicularly with the left hand, then with the right take a portion of the pack—about one half—and make a show of shuffling the two parts together edgeways, but, in reality, replace them as they were. With rapidity of execution every eye is thus deceived. ”
