Our popular E.S Onacup Piston Machine compatible onacups are now in value set. Heaven III, Heaven II, Natulear Onacups have unique cup body which perfectly fits to the E.S Machine Onacup attachment.

Attache to the E.S Machine and these become electrically operated Onacup masturbator!

All Onacups have an interior sleeve made of very soft and elastic material. Each Onacup has unique shapes inside to create various sensations.

These Onacups can be used in old fashion way as well... by hands... There is nothing wrong with that! But it is pretty nice and fun to have a hands free simulated sex or blowjob.

Click here for more information about E.S Onacup Blowjob Sex Machine. If you've ever dreamed of a hands free masturbation, check out this fully-automated hyper piston machine!