Memes on Instagram: "The Shake Weight is a well-known fitness product that became famous—and somewhat infamous—for its unconventional design and viral marketing. Released in the late 2000s, it’s essentially a modified dumbbell with spring-loaded weights at both ends, designed to oscillate as the user moves it back and forth. The product claimed to tone arms and upper body muscles more effectively through « dynamic inertia. » What really made the Shake Weight a pop culture sensation was its sugge

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