original_query: What is the technique for scuffing on a bicycle?
query: What is the technique for scuffing the tires in flatland BMX?
answer: Scuffing techniques in flatland BMX involve using your foot to push and control the tires while in various positions on the bike, often involving balancing on pegs and using the brakes. Specific tricks like the Backyard and Gerator/Lardyard involve scuffing patterns while maintaining balance on the back pegs.