Box handle (Q36942)

How to handle/carry a big and havy cardboard box, that´s not equiped with it´s own handles? Maybe you will like this answer to that question. The box handle part is able to bite itself into a cardboard box and so offers ergonomic handles for carrying. - open the box handle - pierce box handle with it´s top teeth through top of cardboard box - shut box handle by turning the handle element and by that way pierce with it´s side teeth the side wall of the box - lift box - remove box handle after use and use again for other cases It´s made by laser-sintering