Riffle division method: a riffle is a kind of non-mechanical sample divider, which is usually fed manually. The sample is divided into 2 equal parts by riffle, with one retained and one rejected.
Also learn many ways to stack a deck including over hand, riffle and table faro shuffles.
This technique is particularly effective where a riffle drops into a pool or at the dis-charge of a spillway or penstock.
Shuffle shuffle can be divided into play to wash, smoke wash, riffle + smoke wash, shuffle out of the thousands of methods have not shuffle, peep, sorting, stolen card, etc.
