Promotes maximum sexual performance, stamina and energy. Rock On Pre-Max Shot for Him is designed to support: boost and enhance sexual performance, promotes increased desire, optimize sexual stamina, and supports stimulating male sexual functions. Rock Hard, Rock On and On and On. Rock On Pre-Max Shot For Him is a sexual elixir made to promote male performance and with natural ingredients and herbs. Rock On to optimize your body's natural ability to achieve optimal stamina harder rocking sex and energy. 2 fluid ounces bottle.