The flexible straps or cords of the anti-skid device have metal projections or combined chains to prevent slipping.
(1) Note. For the metal projections, see this class, subclasses 169 and 210.
(2) Note. For anti-skid devices with embedded anti-skid for use with footwear, see Class 36, Boots, Shoes, and Leggings, subclass 59 and indented subclasses.