A device for controlling an animal is provided, the device comprising a support to be worn by the animal a first contact member mounted on the support and disposed in a position for contacting an electric fence when the device is being worn by the animal a second contact member, mounted on the support and in electrical contact with the first contact member, the second contact member being disposed on the support to be in contact with the animal when the device is being worn by the animal whereby, in use, an electrical current is conducted from the first contact member to the second contact member and an electric shock provided to the animal at the site of the second contact member when contact is made between the first contact member and an electric fence by the animal. The device is particularly suitable for controlling the movements of a horse or a pony. The device is preferably formed as a rug, blanket or a vest to be worn by the animal.