The Avenger Pump Cup (suction cup) are ideal for attaching (small) fixtures and cameras to flat, non-porous surfaces such as glass and metal. The Avenger Pump Cup (suction cup) are ideal for use during car shoots, especially in combination with other grip accessories such as grip heads and grip arms. Avenger Wall Plates (16mm pin, 16mm hole or 18mm hole) are a convenient tool for quick attachment of fixtures in places where lighting stands and clamps cannot be used.