Special designed: For Hismith premium sex machine with Kliclok system only. High-quality metal: High-density aluminum alloy with the ultrasonic anodic oxidation process. Easy to use and clean: Self-release design, feel free clean it with household detergent. Durable and firmly: All metal fabrication, assembly, durable and last life long. Function: Make your Hismith can use two Kliclok system attachments at the same time.NOTE: This KlicLok doubler doesn't include any dildos. This adapter designed for Hismith premium sex-machine with KlicLok system only.