Ryūkiba Kata — Hensoku Tsuki

 (竜牙型 — 変速月, Dragon Fang — Shifting Fang) is a technique in the collection, and the parent technique to. The Hensoku Tsuki: Ni Dan is an improved version of this technique, considered the mighest among the Ryūkiba Kata collection.

Overview
The technique is initiated by the user holding their sword with two hands, in a firm pose with the handle close to his face and blade pointed at the atmosphere, horizontally. With either the left foot or the right foot, the lunges themselves in the direction of the opponent. Whichever foot they use becomes their leading foot, and thus the user must be very cautious of how he coordinates his moves after this. With the opposing foot, the user dashes forward focusing all of their strength in that foot to accelerate at their opponent. This acceleration is meant to put the user in range of their opponent. Once in their opponent's range, the practitioner begins to strike their target down, they use that same foot otherwise known as their "opposing foot" to sidestep or shift, hence the name, out of the opponent's range. Then the user uses his main foot to attack from their blind spot, with a upwards slash like a moon in crescent face.