Well lets see.......
knife
binoculars
bow hanger
zip ties
tags
book (if you get bored in the stand)
grunt call
estrus call
range finder
extra set of gloves
extra hat/head band to cover ears...never know when its gunna get cold
extra hanger for quiver or whatever
allen wrenches
extra release
rag (clean off blood, water, whatever)
two flashlights
drag roap
seat cushion