This durable lever-release suction cup is specifically crafted to fit Main Squeeze's unique screw-on end cap and firmly adheres to any smooth, non-porous surface. The Main Squeeze Suction Cup Accessory allows for hands-free use of your Main Squeeze stroker, making it perfect for use in the shower or bath. The robust adjustable arm swivels and bends for personalized positioning and securely locks into place. Detailed instructions for use are included.