Gymterior Shake Box

Lower-body exercise device

It's a well-known trick among athletes and exercise fans: if you want an easy way to work on your adductors (the muscles on the inner side of your thighs), you can just squeeze something between your knees – even a small bottle of water does the trick fine. If you want to be more meticulous in your workout, though, there are other ways to work these muscles using the same concept and among them, the Gymterior Shake Box stands out in terms of practicality and effectiveness.

A plastic cube measuring approximately 90 x 90 x 85 mm (3.5 x 3.5 x 3.3"), the Gymterior Shake Box contains a powerful USB chargeable engine that delivers four levels of vibrations going up to 2,400 per minute. This is why you don't need to hold it between your knees for a long time: just three minutes is enough for a good workout and when you are done with your adductors, you can use it as a massager for pretty much every other muscle group! And because it comes in a beige, olive, or charcoal gray corduroy cover, when not in use it can become part of your interior decoration!

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