Here is my version, as words and a single graphic, rather than with a video.
1. Lay the shirt on a table, face up in front of you, with the collar to the right, as shown in the diagram.
2. Select point A, somewhere between the collar and the shoulder.
3. Visualize line A-B-C, perpendicular to the bottom of the shirt, with B halfway between A and C.
4. Grab the shirt (both layers) with your left hand at point B. Don't let go until step 12.
5. Grab the shirt (both layers) with your right hand at point A. Don't let go until step 12.
6. Move your right hand over your left hand and grab the shirt (both layers) at point C.
7. Lift the shirt off the table.
8. Move your left hand toward you and to the left, out from under your right hand and the shirt.
9. Move your right hand to the right, so the shirt is hanging in front of you.
10. Lay the shirt down on the table, towards you, i.e., face down.
11. Fold the shirt in half, moving the side nearest you over the side away from you.
12. Let go!