The Infa Secure Gated Buckle provides improved stability when used with child restraints. It is ideal for use with all InfaSecure child restraints with an in-built harness. Converts the vehicle’s lap-and-sash belt into a lap-only belt Suitable for use with all InfaSecure child restraints that feature an in-built harness Installation instructions included It converts your vehicle’s lap-and-sash belt into a lap-only belt. This can be useful when installing a child restraint and can result in a tighter fit. The Infa Secure Gated Buckle is used in place of an Exactus/double T fitting and can be used either on the buckle side of the belt or the adjacent side. Because of this, it can be fitted depending on your car restraint’s position.