The anti-skid armor, being external, is secured to the tire by means of rivets, bolts or the like extending into or through the tire casing, or a portion of the armor itself is embedded in the casing.
(1) 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.