most leagues have rules with a "no jewelry" clause in them.......PONY and NFHS included...and the bands like "livestrong" are included as jewelry......and as such, are to be removed before play.........
although you can make the remote connection that a sweat band does encircle the wrist somewhat like a bracelet or a "livestrong" band does....the NFHS specifies them to be treated as jewelry and removed before play........
My guess is that a wristband (sweatband) has a purpose that is acceptable.......like keeping the hands dry.....that a bracelet or rubber type wristband does not.
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