method you settle on becomes your grip, and harmonica players debate the fine points of a grip just like golfers debate holding and swinging a golf club.
stand with your arms relaxed at your sides.
bring your hands together at chest level and cup them together.
you should be able to hold water in the cup your hands have formed.
you should be able to see where the harmonica goes — between your thumb and forefinger. don’t pick up the harp yet, though; you have one more thing to do.
make a slight opening in the back of your hands, just below your little fingers.
you can see the opening through the space between the thumb 