The cross chains of the anti-skid device comprise a link or links, the ground contacting surface of which is substantially unbroken throughout. These links are in the nature of plates.
(1) Note. Where the plates are large enough to extend across or substantially across the tread of the tire, see this class, subclass 225 and indented subclasses.
(2) Note. See Class 59, Chain, Staple, and Horseshoe Making, appropriate subclasses.