Take your videography and photography setups to the next level with the Kupo Super Knuckle 3"" Suction Cup Adapter, a versatile and robust component of the innovative Kupo Super Knuckle System. This adapter is expertly designed to securely attach to any hard, flat, non-porous surface, including ceramic tile, glass, and polished stone, providing a reliable mounting solution that leaves the surface unscathed.The Super Knuckle Suction Cup Adapter is engineered with a high-quality 3-inch diameter suction cup that ensures a firm and stable hold. The intuitive design features a white pump button with a red indicator line, which remains concealed once maximum vacuum pressure is reached, signaling a secure attachment.At the heart of the adapter is a durable ball joint, which connects to the Super Knuckle shell. This allows for seamless integration with various interchangeable accessories, enabling you to customize your setup to suit your specific needs.