Oh boy. There seems to be a lot of clotted blood and debris. The skin is gray which is not good. This is more than I expected and the would shouldn't be closed.
If a vet is an option you can search by your state to see if any vets in the area are seeing chickens. If they don't see chickens...
Can you post a picture?
If not go to any drug store and get butterfly wound closures.
Before doing the next step try to get us a picture so we can identify what the poor little one has sticking out.
Get someone to help you (wash your hands well) and have them hold the skin closed while...