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What is a Mens Masturbator? A mens masturbator is a sleeve or tunnel that mimics the penis. They are available in a variety of shapes, sizes, and textures. Some are automatic while others require manual pushing using your hands. They can also be used to stimulate other erogenous zones, or in conjunction with a partner to play games of foreplay. This high-tech device comes with a variety of modes and settings including sucking, twisting and vibrating, and warming modes. It can be used whi