PARIKHS LuxLock USA Patented (Patent # US8365369) system sets a new standard for quality and security. PARIKHS LuxLock is designed to provide the most secure grip available in a 14k Yellow gold clutch. It's surgical stainless steel mechanism guarantees strength. The notches on the post lock into the bullet clutch with an audible 'click', letting the customer know the earring is securely in place. PARIKHS LuxLock is the only luxury earring clutch available today that combines strength, style and effortless simplicity.