First, put on your cloth gloves. This will keep your fingertips (and the paint bombs) clean. You should work on a soft surface (like a fold towel) to protect your bulb.
1. First, use needle-nose pliers to cut off the metal fitting. You can either cut two vertical slits in the fitting and wiggle it off, or simply cut around the entire thing.
2. Next, remove the glass tube and filament from inside the bulb. If they haven’t already broken in the process of cutting off the fitting, try gently poking them from the bottom with a screwdriver.
3. Fill the bulb with paint (use a funnel or dish soap bottle and add some water if the paint is thick), seal the hole with paper, clay or similar, and seal with electrical tape or melted wax. Mixing indoor and outdoor paint makes it much more difficult to remove.
4. Wipe down the bulb with rubbing alcohol to remove any prints.