I am making an ankle brace using Neoprene sleeve (or similar flexible ankle sleeve) Strong nylon or Kevlar straps (like seatbelt material) Ratchet buckle or spring-loaded locking buckle (like a retractable dog leash locking mechanism or backpack buckle) Small springs or tension clips Optional: Arduino microcontroller + IMU sensor (accelerometer + gyroscope) Micro servo motor (for tightening straps if you do electronics) Velcro, scissors, glue, safety pins, sewing kit (for assembly) See more