If your dog pulls on walks you can avoid damaging his delicate neck area by walking him with his lead clipped to a harness.
Red Dingo harnesses are about the smartest you'll find and, with an extensive range of designs and colours, you are bound to find one to suit your pet.

Harness Strap Width: 12mm
Neck: 25 - 39cm (10" - 16")
Body: 30 - 44cm (12" - 17")