Traditional hands between the feet. I did not put my head between my hands here.
Extended Prasarita Padottanasana: Be sure to keep your weight over your feet. If you feel your hands "slipping" forward, you have too much weight in your hands.
Clasp hands behind the back: It is even more essential to be strong in the legs when your hands don't touch the ground.
Clasping the toes: Again, strong in the legs:
Reverse Anjali Mudra: I only do this one in my own practice, not one I teach, because most people aren't open enough in the shoulder to do this one without injuring the wrist:
And then, last, but far from least: Snuggling-with-daughterasana: