The Principles of Kukuri Traps Through Mechanics, Material Science, and Animal Behavior
Explains the fabrication, installation, and operation of kukuri-wana (snare traps) from both practitioner experience and legal regulations.
The approach is engineering-oriented: verbalizing "why it works" through mechanics, material properties, and animal behavior. The V-shape principle, spring-loaded launch physics vs. pipe angle, measured data comparing six trigger mechanisms — making the reasoning behind field wisdom explicit and applicable.
Covers the full lifecycle: legal requirements and licensing, trap structure, parts procurement and fabrication (with cost estimates), field sign reading and installation, species-specific differences between boar and deer, patrol techniques, scent management, common failures and fixes, and maintenance at scale.
Contents
- Part I: Before You Start — Licensing and legal constraints
- Part II: Understanding Structure — Mechanism, triggers, wire specifications
- Part III: Building — Tools, materials, fabrication of each component
- Part IV: Setting — Field signs, installation, species-specific techniques
- Part V: Operating — Patrol, scent management, common failures, maintenance
Available in Japanese