Hey people,
I am curious to know what the name of the instrument(s) that measures a boxer's punching power, or the PSI (Pound-Force per Square Inch)?
I am looking into opening my own boxing gym and want to buy one of these.
So does anyone know the name of the instrument and where I can buy one?
If you don't know what I'm talking about, check out Rocky IV. Ivan Drago uses one in this movie. I know pro boxers use them too.
Thanks.
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