After fastening the two pieces of plywood together, drill four holes for the brake arm slot and cut openings as shown in sk-6 for the brake arm.
Use a saber saw to cut out the slot for the brake arm.
After fastening the two pieces of plywood together, drill four holes for the brake arm slot and cut openings as shown in sk-6 for the brake arm.
Use a saber saw to cut out the slot for the brake arm.