Upload & Sell: Off
I don't compose for specific crops, (I crop to what looks good) but if you are printing, it becomes important. I think those that do shoot to print will tell you to crop wide and crop to the various sizes later.
As shown the crop in this one is cutting off fingers at the bottom, and as Shrimp1234 said already, it's tight on the sides too. You don't need that much room above them, unless it's for crop options.