Get an eyeful of your own ecstasy with the DOC JOHNSON Main Squeeze Optix. This crystal-clear, hard-case masturbator lets you watch all the action as you thrust into its plush ULTRASKYN sleeve. Squeeze the grip to pump up the suction and pressure for an even tighter stroke. The adjustable end cap lets you customize the vacuum for your perfect level of blissful suction. See yourself achieve new heights of pleasure through the transparent TPR material and case. The sleek hardshell design keeps your new favorite thrill looking as pristine as the day you unboxed it, ready to join you for your next optically-enhanced solo session or to show your partner how you like to be touched during foreplay. With Optix, your solo satisfaction has never been quite this visual.