Used only once. The instruction manual and adapter are included. I will ship quickly and carefully. High-power calf care like being grabbed by a gorilla: "Gorilla's One Grip" For tired and troubled calves, the powerful pump & airbag of the Gorilla High Power series, which makes you addicted to the painful sensation, is here! "Gorilla's One Grip" is born! This is an easy and convenient type, perfect for your first calf care experience.