Most people can brute force themselves to a sloppy 3-ball, where every toss is a challenge. More than 3 requires learning to perform precise rhythm and patterns

Most people can brute force themselves to a sloppy 3-ball, where every toss is a challenge. More than 3 requires learning to perform precise rhythm and patterns, where the activity is making the proper motions, not throwing and catching balls, It's like playing a musical instrument properly.