Patent ID: 7878153

Claim:
An animal training device comprising: a containment cavity, the containment cavity being substantially enclosed and adapted to contain a dog; a first opening and a second opening, the first and second openings being adapted to allow passage into or out of the containment cavity by the dog, the first opening being disposed at a front side of the containment cavity and the second opening being disposed at a rear side of the containment cavity; a marginally unstable base, the marginally unstable base residing beneath the containment cavity and comprising a downwardly bowed portion, the downwardly bowed portion making the animal training device predisposed to rocking when mildly physically disturbed; a substantially rigid frame, the substantially rigid frame residing at a periphery of the containment cavity and comprising two longitudinal frame members, each of the two longitudinal frame members being disposed substantially horizontally, and being directly coupled to one or more front upright frame members and one or more rear upright frame members, the one or more upright front frame members being disposed at a front side of the containment cavity and being directly coupled to and projecting upwardly from the marginally unstable base, and the one or more rear upright frame members being disposed at a rear side of the containment cavity and being directly coupled to and projecting upwardly from the marginally unstable base, the front side and the rear side being opposite sides of the containment cavity; and a first closure, the first closure having a first position and a second position, the first position being adapted to substantially block passage into or out of the containment cavity by the dog, and the second position being adapted to permit passage into or out of the containment cavity by the dog.