▎ 摘　　要

NOVELTY - A brake shoe comprises a metal back and a friction material. The metal back is an arc-shaped tile. The outer side of the metal back is provided with wing-shaped extension. The friction material is provided on an inner surface of the metal back. The friction material is obtained using rice straw and graphene. USE - Brake shoe (claimed). ADVANTAGE - The brake shoe has high density and excellent hardness, friction performance and wear resistance, and can be manufactured by environmentally-friendly and economical process by effectively recycling agricultural waste. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of brake shoe.