Patina removal w/baking soda method: Disassemble razor. Cover bottom flat glass dish w/alum foil. Pot boil 2-3 cups of water - remove. Slowly add 1/4 cup baking soda & mix. Pour mix in dish & immerse razor parts & soak 5-10 min. Remove razor wipe w/soft cloth. Repeat. Use soft brush w/Dawn-rinse.
