Thumb pain, great video, very concise, text description also (below):

Patient: supine Doctor: holds wrist facing medial, lateral hand holds unlar and radius for stabilization Seg. Contact: base of 1st metacarpal Contact point: medial hand grasps thumb so that little finger pulls superior to inferior on base of metacarpal Thurst: slow pull lateral to medial

https://youtu.be/s1pwU43HUBI

This one is concise, no text description though: https://youtu.be/M04FDmRMAIQ

MCL – metacarpal ligament?