Square Logrolling (木場の角乗)

Log rolling is still popular in Japan, even though the amount of rollers has been decreasing recently. These are the Japanese characters for square logrolling: 木場の角乗

apparently that translates to "Kiba no Kakujo" or "Koba no Kakujo". The square logs used are generally 4 meters long, and 33 centimeters in diameter.

I'll add more stuff here soon.