Part 3 of an International Textbook Co. instruction paper on woolen carding, devoted to card clothing and the care of cards. It covers wire gauges and tooth shape, sheet and fillet clothing, calculating points per square foot, setting rolls with gauges, stripping, grinding (traverse and roller grinders) and truing rolls. It also covers clothing cylinders and ring doffers with sheet or fillet, card room management, electricity in the card room, and finding and changing the weight and size of roving. Includes diagrams, wire and clothing tables, and worked calculation examples.