World Cage Security Shield The innovative Security Shield with Pleasure Points adds to the security of the World Cage Male Chastity devices. Works using Shark Tooth Technology (Dont worry, it is not as scary as it sounds) to hold you in place. The Security Shield is the most advanced and comfortable anti-pullout device for your cock cage on the market. The Security Shield is also compatible with many of the most popular brands of Plastic Male Chastity Cages like the CB-6000. Material: 100% Silicone Warning: Do not use Silicone Lubricant while using the Security Shield.