Tatami Cutter Scissors (Tatami Scissors)

My grandfather was a tatami maker.

Tatami Shears (Tatami-yo Oshikiri Basami)
Tatami Scissors (Tatami Basami)
Mitsubishi Metal
Please check the photos.
The blades are thick and use a lever-like structure to cut with force.
Used for cutting tatami edges (heri) and the ends of igusa straight.
More robust than regular scissors, with blades designed to overlap diagonally.
Usage includes finishing tatami corners and cutting edge fabric (heri).