If you're looking for a straightforward masturbator that does away with the excessive packaging and gimmicks, the two Innocent Onahole models from Magic Eyes could be for you. Get lucky with the Yotsuba's clover-shaped grooves and three steps of tightness, or screw Maki's spiral-patterned tunnel. Whichever pattern you choose, the results are just as snug and pleasurable a fit for your best friend downstairs. And the lightness of both toys means you can spank the monkey all day long without worrying about RSI.
The Innocent Onahole features: