主权项 |
1. A post made of a first material and comprising an element made of a second material that is softer than the first material, wherein
the element is partially embedded in the first material, the element has a front surface that forms part of an exterior surface of the post, the element comprises a front portion including the front surface and a rear portion, and the element is designed such that a waist is formed between the front and rear portions in a cross section perpendicular to the longitudinal axis of the post, the front portion tapers towards the waist, and at least a part of the rear portion has a width larger than the width of the waist. |