Enshin Karate tournament from the late 80's (early 90's)

The tournament is open to advanced competitors of any style.
The rules including use of grabs (one handed), sweeps and throws, in addition to kicks, punches, knees and other strikes. It is full contact karate with no gloves. Only striking to the head is restricted, but full power kicks to the head, neck and face are allowed.

In the late 80s (early 90s) it was a very popular tournament.