Running on Empty: 18,000 Miles Down Africa with Parkinson's

Supet Dog Prong Collar, Dog Choke Collar Adjustable Dog Pinch Collar with Quick Release Buckle/Nylon Cover for Small Medium Large Dogs

CBBPET Dog Prong Collar, Adjustable Dog Training Collar with Quick Release Buckle for Small Medium Large Dogs (Silver, M/3.0mNeck: 16"-18'' Weight:50 lbs)

STEHEALTH Prong Pinch Collar for Dogs with Quick Release Buckle, Adjustable Training Collar for Small Medium Large Dogs, Helps Prevent Dog from Pulling (3.0mm, Neck Size 19"-21"), Silver

Mayerzon No Pull Dog Collar, Patented Martingale Collar for Small Medium Large Dogs with Buckle and Heavy Duty Nylon for Walking Training Hunting, Safe and Easy to Use(M, Green)

Herm Sprenger Prong Collar for Dogs Training - 2.25mm Prongs for Small Dogs with 14-19" Neck - Quick Release Buckle & Swivel Ring for Easy Use - Made of Durable Black Stainless Steel in Germany

Herm Sprenger Prong Dog Training Collar, 22in x 3.0mm (Neck Size up to 18in) Medium, Ultra-Plus Chrome Plated Steel Pet Pinch Anti Pull Collar for Dogs Made in Germany

Prong Collar for Dogs, Dog Training Collar, Adjustable Size Dog Pinch No Pull Collar with Quick Release Buckle for Small Medium Large Dogs(Packed with Two Extra Links)

Herm Sprenger Prong Dog Training Collar Ultra-Plus Chrome Plated Steel Pet Pinch No-Pull for Dogs Anti Pull Made in Germany 2.25mm x 13in Small