What is a "new" sporting equipment one could develop in the market?

It can be for baseball or football, or more intense like downhill biking or skateboarding, or even foods like vitamin water or food bars, ect. Anything. Any ideas? Thanks!

How about artificial biceps ? That way I can concentrate on my abs.

One Response to “What is a "new" sporting equipment one could develop in the market?”

  1. Kev says:

    How about artificial biceps ? That way I can concentrate on my abs.
    References :

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