ORIGINAL: ir655
At a first glance I thought it was a ribbon to mark a trail or stand, looking closer revealed that it was a piece of the lung! ... I expected the exit would to big huge since I found a piece of the lung hanging on a bush.....I looked at it and noticed the exit wound was as big as the entrance wound...
Still beats be to this day how that piece of lung came out hanging on that bush. ...
Your bullet was moving at a high velocity which can cause a sort of implosion. Thus, creating a vaccum trail following the bullet and suck any lose particles out.