Originally Posted by daveblt
I don't really understand what the purpose of this drill is and how it can benefit your swimming.They are entering too narrow and with the thumbs slightly down. This would serve no purpose to me . Enter in front of the shoulder or slightly outside and enter with the pinky pitched down at least just slightly.
Its Shelia Toarmina's style, she seems to enter and stay internally rotated for the catch what h her underwater arm here: