Large Metal Collar with O-RingFan of all things metal? Get the Metal Collar with O ring. This marvellous metal collar with O ring comes with a rigid O ring and pin locking system. Use this magnificent must have accessory to make the most of your moonlight midnight fun. An incredible and unique collar that will let you stand out from the crowd with a design feature of the letter 'M' cut out at the back. Great for the clubs or bondage dungeons, this collar is perfect for every