Some Traditional Publishing Contract Traps

My brother sent me this, and I thought it was quite good. Clauses and phrasing to be wary of, which might be good reasons to use Not a Lawyer if you have it available and are mulling a trad pub contract:

And by the way, she had a couple of great lines: “That is not a performance clause. That is a trap with a math problem attached to it.” And, “…walk away from that contract, because the only person that can win that game is the person keeping score."