Tani Otoshi — Valley Drop

Tani Otoshi (Valley Drop) is a Kodokan judo technique in the Yoko Sutemi Waza (Side Sacrifice) group. Pulls and throws the opponent by breaking his balance backward and falling to the left side while sliding the left leg behind him.

More side sacrifice (Yoko Sutemi Waza)

Kani Basami — Crab Scissors
Kawazu Gake — One-Leg Entanglement
Yoko Guruma — Side Wheel
Harai Makikomi — Sweeping Wraparound
Hane Makikomi — Spring Wraparound
Ko Uchi Makikomi — Small Inner Wraparound
O Soto Makikomi — Major Outer Wraparound
Soto Makikomi — Outer Wraparound