A lot of people use the Wrap Pass to look good, but it is effective if you know how to use it.
Having flexible hands and wrists is just like any other flexibility in the body. It will help safe guard from injury as well as give you better range of motion in your fingers and wrists.
Loading the basketball correctly is important to keeping your shot centered and having good rotation
Keeping your shot centered and loading the ball in the same spot each time is a key to consistency.