The trunk splitter is the "surgical precision tool" in bonsai styling for handling thick branches. It utilizes powerful wedging force to longitudinally split the xylem in a controlled manner, serving two core purposes: safely removing oversized branches and facilitating extreme-angled bending and shaping.
Its greatest advantage lies in significantly minimizing bark tearing, protecting the main trunk, and creating favorable conditions for subsequent wound healing. It is an indispensable professional tool for bonsai artists when confronting substantial woody growth.
