I made a mistake it suppose to be the light side up ,not thinking right.That's where you put the cock vane on the light side.somebody told me when they were shooting and the arrows were landing to the left and some were landing to the right,he would turn the nocks till all of them were flying perfect then thats when they did the float test and found out that the cock vane was the side that was upright.so IMO there's something there to look into.what do you think.