The Hickey Defender 20XX. This thing will destroy your opponent's face if they get too close to your beautiful neck.
Made with durable yet comfortable black tumbled leather. Coated gold spikes for maximum carnage. Industrial strength waxed cotton thread will keep it from falling apart for like 30 years.
Matching gold metal belt buckle in the back allows for adjustment from a 13 1/2" to a 16" neck.
Be sure to bring a squeegee or towel with you when you wear this, there will be blood everywhere.