InventHelp Inventor Develops New Accessory for Chest Exercises (RKH-880)

PITTSBURGH, Nov. 24, 2025 /PRNewswire/ -- "I wanted to create an exercise accessory to effectively isolate the upper, middle, and lower fibers in the two pectoral muscles in the chest," said an inventor, from Graham, N.C., "so I invented the P SQUARED. My design would maximize the...

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