The Knight Brace on the other hand, represents Hunter Knight Tsurugi/Ultraman Hikari's transformation device. To transform, the user wears the device in his right arm, press the vibration sensor button and swinging your arm will activate the transformation sound of either Ultraman Hikari or Hunter Knight Tsurugi. The item also include their corresponding attack sounds. The BGMs included are: "Armor of Revenge", and "Radiance ~ Ultraman Hikari's Theme (Instrumental)".
Finally, you can combine both transformation braces to form the Knight Mebius Brace. This Premium Bandai web exclusive set cost 13,824 yen and was released last March.