Demonstration Tetsubishi (Caltrops) used by Ninjutsu practitioners as a detterant when being chased. The Tetsubishi will fall with the point facing up every time making them easy to quickly deploy.
These are made out of PETG which is strong but they are intended to be used for teaching or demonstrations not to be used as real Tetsubishi (Caltrops).
Ours can be easily collapsed for easy transportation.
