Lindam Lockable Socket Covers – 4 Piece Set The Lindam Lockable Socket Covers are the perfect solution for keeping your children from tampering with with dangerous electrical outlets. Thus , helping you relax knowing your children are safe from sockets around your house. The Unique ‘anti grip’ design makes it difficult to remove without the use of a tool when locked. Furthermore the Smooth, no-grip form helps prevent tampering. This Integrated locking mechanism locks and unlocks with the use of an edged tool like a coin. Once unlocked simply push plug back into plug cover to re-set the locking mechanism. Perfect for high traffic areas where children play most often.