Naka dedicates significant space to the actual use of concave cutters, knob cutters, and shears. He explains why a tool cuts wood a specific way to promote healing. He includes diagrams of how to hold tools to reduce fatigue.
: Specific guidance on identifying and correcting faulty rootage, trunks, and branches. Pruning & Maintenance John Naka Bonsai Techniques 1 Pdf
Resources & Further Study
By interacting with the PDF actively, you are doing exactly what John Naka wanted. He didn't want you to worship a book; he wanted you to grow a tree. Naka dedicates significant space to the actual use