Part 24 Shomen-uchi kote-gaeshi, ONLINE AIKIDO DOJO by Mitsuteru Ueshiba - Fundamentals

These are the points of Hanmi-hantachi katate-dori shiho-nage omote

・Make sure to grab Uke's hand in front of your center

・Put your thumb in the area between your partner's little and ring finger, 
the other four fingers should hold around the base of your partner's thumb

・Pin Uke's arm with both of your hands keeping it close to your body