A leash training system includes an attachment device having a body formed by a frame curved to form a top chamber and a bottom chamber; the frame having a first end, a second end, and a curved portion extending inwardly and across from the first end; a gap formed between the first end and the second end and providing access to the bottom chamber; and a spring gate attached to the first end and to close against the curved portion, thereby closing off the top chamber; a dog control device to secure to a dog; and a leash; the attachment device is to secure to the dog control device; and the leash is to secure to the attachment device via a clip and wrap around a mid-section of the dog and secure back to the attachment device by slipping a portion of the leash through the gap.