The cards will probably not alternate perfectly from one stack, then the next. A perfectly interlaced riffle shuffle is called an out shuffle or in shuffle. [3] X Research source This is incredibly difficult to accomplish, and is typically only used by skilled card trick magicians.
This bends the cards more severely, wearing them down faster and potentially making them easier to view during the shuffle.
This method is not used in casinos, since other players can often see the cards during the shuffle. Like any riffle shuffle, this does bend the cards, and can wear them out faster than other shuffles.
Use your pinky finger to curl around the cards next to your middle and ring fingers. Place the knuckle of your index finger on top of the pile. or Place your pinky finger and index finger on the long edges of the stack, keeping it stable from side to side. [4] X Research source
You may use your index finger to help bend the cards, pushing downward near the middle or the finger-gripped edge of the card. This step can take a fair amount of practice, so be prepared to pick up cards that get flung around the room.
The bridge finish is also called a “waterfall” or “cascade” finish. There is no standardized system of terms, so you might see other finishes referred to by the same names.
You may use your index fingers to help grip, or to stabilize the cards by placing them lightly along the edge.
Remember to keep your thumbs pressed on top of the arch the whole time.
