To transform, Zero-One presses the button of the Breaking Mammoth Progrise Key, then scans it to the right side of the belt to authenticate, then transform the Progrise Key to its key mode, and finally, set it in the DX Hiden Zero-One Driver (sold separately) to transform into Kamen Rider Zero-One Breaking Mammoth! The DX Breaking Mammoth cost 5,500 yen and is now available.