This mouth design hot penetration experience never felt so real before and will make every fantasy become true. Adjust the suction level thanks to the air holes in the cup and the new rippled area will ensure you of a real feel. The tightening zone let you experience more sensation then before.Open cap and dispense a few drops of lube for best results. Condoms are not necessary, but are recommended for better hygiene. Clean the cup afterwards by turning inside out and washing with toy cleaner. Rinse thoroughly. Store at room temperature.