A ball that's too heavy and doesn't fit? Well I would say shoes for sure but that situation just won't do. Hard to learn good technique with a bad fit and too much weight. Go with the ball, or better yet, both.
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-If you're not willing to change, you're not willing to improve.
-Life is like a coin, you can spend it any way you want, but you can only spend it once.
-Failure is not an option. It is a privelage reserved only for those who try.