仮面ライダービルド 変身凍拳 DXグリスブリザードナックル

In the most recent episode of Kamen Rider Build, Kazumi Sawatari used the North Blizzard Fullbottle and Blizzard Knuckle to become Kamen Rider Grease Blizzard. However, these items were introduced in the previous episode, episode 45, where they were still developmental and not entirely functional. Y