Toshifumi Sato explains how to wrap raffia to prevent cracking when bending thick bonsai branches (about 3–4 cm). He details adjusting the number of raffia strands to branch thickness, preparing the raffia by soaking, wrapping in the same direction as the wire, placing a core to protect areas prone to splitting, and advanced techniques such as figure‑eight wrapping and using screws and jins as hooks, providing safe and effective wrapping methods in detail.