muscle exhaustion/fatigue

I an really interest in muscle fattigue/exhaustion.  I like the idea of using lower weights with the potential to get better results; as a result, I was wondering would it be smart to do a super set exhausting the shoulders before doing a chest set (like bench press).  Would that put more focus on my chest when I do the bench?  

Your confusing a term known as pre exhaust. And no as far as exhausting a muscle group thinking it would put more emphasis on another if they are both active, what happens is you are just weaker all around. Try this. I have many videos covering