More Hands Practice

I am really enjoying this little challenge as each pose offers a unique challenge for me.

I'm using either the B carbon or the 2B carbon pencils with little to no erasures.  I'm trying to "correct" as I go leaving the marks in place.

I love the 2B but the side of my hand picks the carbon up easily and then re-transfers on the paper surface :-(  I could spray it but not sure how well this paper will handle the spray with as thin as it is.  I've seen where the spray can turn some toned papers a strange color and the sketch on the other side show through more.