This is the core of the book. Naka introduces the concept of "Sacrifice branches" (branches grown specifically to thicken the trunk, then removed) and "Branch selection." He uses simple line drawings to show how removing two branches on the left and one on the right creates an asymmetrical triangle.
Pot selection and display
See a breakdown of the differences between ?
: Performed every 2–3 years to prevent the tree from becoming rootbound and to stimulate vigorous new feeder roots.