The Safety Innovations Sliding Safety Plate helps prevent access to outlets. Just insert a plug and slide to the right. As soon as you remove the plug, the special cover snaps shut to protect little fingers from the outlet. For Decora outlets (two screws, one top/one bottom).
6-Pack Safety Innovations Self-Closing 2 Screw Decora Outlet Covers- an Alternative to Wall Socket Plugs for Child Proofing Outlets Beige-B01E4FX378