Predator Shuriken (Partially foldable)

This is a model of the Predator Shuriken as seen in the AVPs and the Predator. It comes in two versions - xxx_-_shuriken which is the simply closed shuriken. But it also comes in the open state where it has partially foldable blades (for the sake of cosplayers actually wearing them) 
I skipped any instruction video as this is rather simple assembly.