Does his tail look like this?
Here is a picture:
Does it look like that?
I am so sorry your baby is hurt.
Go to walmart or pool store and buy a styrofoam pool noodle:
Cut pieces to fit his unjuries. Then cut open one side. Slip in his tail or foot and tape on top and bottom.
That will protect it till it heals.
Change daily and apply neosporin underneath.
Please let me know how he is doing.
Best wishes for him,