As the man discussed his state-of-the-art arm on French television, he went to switch a button on the side of the limb to demonstrate its capabilities to the presenter.

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Little did his interviewer know however, that prosthetic limbs now come with a ‘masturbation mode’ function.

With the arm flailing ferociously up and down in automatic spasm, the host of the TV interview gives an awkward, somewhat confused look at the cameras, as the man tries to turn the setting off.

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You have to watch this for yourself.