Testing and truing up the guard. Ambush phase knife disarming. Sizes: 150 × 150 / 242 × 300 / 500 × 618 / 500 × 618 / 500 × 618 / 500 × 618 / 500 × 400 / 500 × 618 Testing and truing up the guard. Ambush phase knife disarming.