Riki sensei showed us many different grips and entries for sumi-otoshi (隅落 - corner drop) during judo class on 9-6-2021.
0:00 Both hands gripping one sleeve
0:16 Shoulder & sleeve grip
0:30 Double sleeve grip
0:40 Collar & sleeve grip
0:57 Grabbing the pants
1:23 Striking uke’s ear
1:39 Armpit & sleeve grip
1:46 Under elbow & sleeve grip
1:56 Clothesline grip
2:06 Belt grip with shoulder strike
2:21 Neck grip
2:32 Painful illegal strikes
3:08 Armpit strike entry
3:47 Uki-goshi entry
4:12 Mawari entry
4:42 Left foot entry
He showed us the fundamentals in that same class:
Riki sensei began Judo in Okinawa and is a Shichidan with over 56 years of study, practice, competition and teaching. He competed for 25 years at the local, national and international levels.
A few of the great Judoka Riki sensei has studied and practiced with include: Kotani, Daigo, Ito, Inokuma, Okano, Kimura, Kaminaga and Nakatani.
See Riki sensei teach every Monday, Wednesday, Thursday and Friday evening at 535 W. Iron Ave, Mesa, AZ 85210. Youth classes are 6 - 6:55 PM, adult classes are 7:00 - 8:30 PM. For more info, please visit
The purpose of this YouTube channel is to pass on the original, traditional, authentic Kodokan Judo that Riki sensei loves so much. Riki sensei’s students maintain this YouTube channel (and are responsible for any errors), but you can find more of his thoughts at the Riki Judo Dojo Facebook page: 8