Try a different position. This dildo adapter is designed for Keon by Kiiroo to use with any dildo with a vacuum locking system, to turn Keon into an automatic sex machine... Quick and easy to attach and use. Product specifications Material: ABS Dildo Adapter height inside the box: 195 mm / 19.5 cm Dildo Adapter width inside the box: 88mm/8.8cm Dildo Adapter depth inside the box: 88 mm / 8.8 cm Once removed from the packaging, the length of the Dildo Adapter is adjustable Dildo Adapter weight: 250 grams / 0.55 lbs / 8.8 oz