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Mix bronze powder with a quick-drying spar varnish according to the package directions in a plastic or glass bowl. Stir the liquid bronze thoroughly to prevent particles from settling in the bottom of the bowl. You can purchase liquid bronze at a hardware store or print supply company. Hold the shoe by the wire loop with your non-dominant hand. Then use your dominant hand to apply a thin coat of liquid bronze to each shoe with a camel hair brush. Start on the top of each shoe and work your way down the sides toward the sole. Make sure you paint all of the shoe's surface area, including any part of the shoe's inside that is visible. After applying liquid bronze to the shoes, allow them to dry. Hold the shoe by the wire loop you inserted, and then hang the wire loop on a hook or nail. You should let them dry for at least ten minutes, or longer, in between coats. Once the shoes dry from the initial coat of liquid bronze, look to see if there are dull spots on the shoes. This is an indication that the bronze has soaked through the shoes and you will need to apply at least one more coat of bronze. You will likely need to apply several coats of liquid bronze to each shoe until both shoes are shiny and completely covered in bronze.
Prepare the liquid bronze in a bowl. Apply a coat of liquid bronze to each shoe. Hang the shoes to dry. Apply additional coats as needed.