Want to know where "Hatfields" come from? Hatfield: What, How & Why
Chinups are done palms facing you.
They are also very strict.
Having trouble with CUs? Try them assisted with stab ball or pulldowns on the smith machine.
Use a little monkey motion in those rows if you need to.
Biceps are going to hammered after this. If you get arm swelling from Aussies, consider scaling.