Force the opposing player to your right side. Lay the stick flat on the field with your knuckles touching the ground.
Timing is key to the execution of the block.
Only try to tackle the ball when it's off the other girl's stick. As long as it's on the other girl's stick, you can't really steal the ball. You have to somehow make her have the ball leave the stick. Lower your center of gravity to maintain balance. Trap the ball with your stick and control the ball away from opponent.