摘要 |
<p>The device has a set of straps assembled to each other and intended to exert elastic force in a direction from the chin to the forehead of a user when the straps are in position on the head of the user. The assembly of straps includes an occipital strap (10) assembled with an elastic frontal strap (20), where the occipital strap includes a part formed by an elastic chin strap. The occipital strap is formed by the elastic chin strap and a non-elastic strap (5), where an end of the non-elastic strap is connected to an end of the elastic chin strap.</p> |