There are a number of ways to deal with screw holes that are visible. You can buy some wood buttons and put them in the holes. You put a little wood glue in the hole and then tap the wood buttons into the holes using a hammer. This is a decorative solution to cover up screw holes. If you want to completely cover up the holes completely put a plug cutter on your drill and cut a plug out of a piece of wood that matches the wood that the hole is in. Take the plug put a little glue on it and tap it into the screw hole. After it has dried take a chisel and trim the edge off and then sand it smooth with some sandpaper on a sanding block. So you can buy a plug or make your own.
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