Stephanie Harshman whips the white-wire jump rope around as fast as she can, creating the blurry outline of a full revolution and generating the high-pitched howl of a large gust of wind. It’s the ...
ANNAPOLIS, Md.--(BUSINESS WIRE)--Aug. 14, 2006--Under Sail Marketing, LLC today introduced and made available for sale JumpSnap (www.jumpsnap.com), the world's first ropeless jump rope and newest ...
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