The top arrow is the new crest and fletching all in one.
All you have to do is clean the old arrow and boil some water and dip the fletching into the water and it shrinks to the arrow.
Before and After
I don't have ties with this company so please don't delete the link. Thanks Cro
Admin Edit: Sorry CRO, link deleted, however, someone could very easily find these things by typing in "Shrink Fletch" into their favorite search engine.