So whilst i was fixing rear bumper as i got hit by a van, i took the wheel lining out to clean up all crap 

There was a rubber plug underneth so i took it out and a little balls  came out lol. What is it ??? Is it all rain water , car shampoo stuff that dried out ??? Looks like a lifeform from another planet 

I had a light knock on the back with was anoying the hell out of me and now it gone !!!! :)

Also pics before and after bumper repair 

If you have named your car it better be a boys name. 😝

Looks like seaweed to me.....very odd !