With the Flex-Winkel, Paul & Co and Kunert Wellpappe offer a complete system to secure Octabins. This also includes type LS angular edge protectors in dimensions 100 mm x 100 mm x 9 mm which are used for lashing down with tension straps. It keeps the straps from cutting into the cardboard.
Both the Flex-Winkel and the angular edge protector type LS are certified by the Gesellschaft für technische Überwachung (Society for Technial Inspection).