Hello I'm Gismo is literally everthing to hand in one hand for the ultimate dog walking experience! The I'm Gismo Treat Holder and Training Clicker can be used individually or in conjunction with each other. The Treat Holder can be connected to the bottom of the I'm Gismo Handle giving fast and easy access to the treats held inside. The door to the Treat Holder will open and close automatically to ensure safe retention of the contents. It can also be attached to your belt. Easy to clean and dishwasher safe. The Clicker connectable is attached to the top of the I'm Gismo Handle and is utilised with the multi function button to the top of the handle emitting a clear and direct sound.