If you've been searching for the perfect way to ravish your or your lovers nipples with some seriously sexy suction plus the totally unique sensation of e-stimulation, call off the hunt! These creative high-tech suction tools by Shots ElectroShock collection were created to target just about any sensitive bit of flesh – nipples, are an obvious target, but they can definitely be enjoyed elsewhere.In extra sturdy ABS plastic plus conductive silicone, the E-Stimulation Nipple Suckers feature wide circular openings capable of fully surrounding your/your partner's nipples, clit, and more. The cylinders are strategically crystal clear and 100% voyeur friendly – you'll both be able to watch as suction (and e-stim!) takes hold. A silicone base sleeve fits over the opening of each Sucker – both will need to to in place to experiment and enjoy the electrostimulation potential. An included power pack controls tingles, jolts and zaps of electricity – there are four modes to choose from with varying power levels for each. Plug the included cord into the power pack and attach the two leads to each Sucker's silicone base sleeve. Note that both need to be plugged in.To play with suction, make sure the inner plunger is lowered. If not, twist the handle counter clockwise to move it downward. Next, press the cup firmly against skin to create a seal, and twist the handle clockwise to activate suction. The plunger will rise, drawing air (and flesh) up through the cylinder as it goes. Twist the cap in the opposite direction to release.In a firm, hygienic ABS plastic, the ElectroShock E-Stimulation Nipple Suckers set is easy to clean using simple soapy water or a good toy care fluid/foam. If you'll be using a lube, please choose a water-based formula, not a silicone lubricant. Requires 2 AAA batteries (sold separately). Do NOT use in or around water.*Each Sucker is approximately 4.13" (10.5cm) in total height, with a cup height of 2.5" (6.4cm). Each cup is approximately 1.1" (2.8cm) in inner diameter.