Moro Yubi Tori
Moro Yubi Tori is a Yawara technique in Danzan Ryu Jujitsu.
Technique Description
Uke (attacker) reaches for Tori. Tori grasps all of Uke's fingers and turn his palm upward and then down towards the ground. He also holds Uke's arm straight to increase the pain. This is a comealong hold.
Variations
Straight finger locks
Many variations involve bending Uke's arm.