KADOWAKI hideki choked SATO Rumina out

SHOOTO 9.22 kourakuen was held,
legend SATO Rumina faced KADOWAKI Hideki.
KADOWAKI is known as ground master.
Rumina is also excellent submission fighter,But Today's KADOWAKI exceed Rumina in Ground technic and Choked rumina out by rearchoke.
This choke is known as "KADOWAKI Special" this process is very interesting and useful.
If you are intersting in grappling,maybe this finish scene is good text.