5B Tool Set "Takumi" The three wooden tools (Linkage Board, Balance Bar and Base Trunk) are handcrafted one by one by artisans from premium hinoki cypress grown in Maniwa, Okayama Prefecture, Japan.
The full set of tools used in BC Exercise (4 items). Train with a step height that the human body can only just perceive, and strengthen the pelvic region by drawing your center of gravity inward.
What's included (4 items)
Breath: B-TUBE size L (1 pc)
Board: Linkage Board
Bar: Balance Bar
Base Trunk 2026 Upgraded Edition
B-TUBE size L is designed to be used while you exercise or train, so you can keep breathing through the tube during BC Exercise with the board, bar and base trunk.
The three wooden tools (Linkage Board, Balance Bar and Base Trunk) are handcrafted by artisans from premium hinoki cypress grown in Maniwa, Okayama Prefecture, Japan, prized for its smooth grain, light weight and natural fragrance.
How to use each tool (videos)
Board: Linkage Board
Bar: Balance Bar
Base Trunk
* This product is not a medical device. It is a wellness tool that supports performance improvement and body awareness.
