Use Bleach and hot Soap Water. Leave it in there for a while and then use a sponge to wipe it off.
This site has many solutions to removing spots and stains from all kinds of metals:* http://www.finishing.com/Letters/archive12000.html
HOD DO YOU GET SALT STAINS OFF OF SUEDE SHOES
with a knife with a knife
To remove sticky stains from carpets, start by scraping off excess residue with a butter knife or spoon. Then, apply a carpet stain remover or a mixture of dish soap and water to the affected area. Blot with a clean cloth until the stain is lifted. Repeat if necessary.
To remove Vicks VapoRub stains, start by gently scraping off any excess material with a spoon or dull knife. Then, apply a pre-treatment stain remover or a mixture of dish soap and warm water to the affected area. Let it sit for a few minutes before laundering as usual. Repeat the process if needed.
Mr.Clean.
by using a knife!! by using a knife!!!
Use a knife and cut it off
Scrape off with a craft knife
use Vanish
"She cut off their tails with a carving knife."
To remove stubborn tar stains from a carpet, you can first try placing a few ice cubes in a plastic bag on the stain to harden it, then scrape off the excess with a butter knife. Next, apply a carpet stain remover and gently blot the area with a clean cloth. Repeat as necessary until the stain is gone.