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Actually I think the proper term if running in a poweriser is Powerbocking.
Jules, I had the same response when I saw a photo of a poweriser at the Cologne (Germany) daily photo blog.
Lavender Lady (Norma), yes I agree, one would need to be young and full on invincibility to strap a pair of poweriser on.
McDonald's (don't have it here) at Menton DP disc golf (never heard of it), now poweriser (never heard of it)???