The rigid parts of the safety-belt, such as buckles, adjusting devices, attachments and the like, shall not have sharp edges liable to cause wear or breakage of the straps by chafing.
De stijve delen van de veiligheidsgordel, zoals sluitingen, verstelsystemen, bevestigingen enz., mogen geen scherpe randen vertonen die door wrijving slijtage of breuk van de riemen kunnen veroorzaken.