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Wine corks can actually be used as mulch for gardens. Chop the corks into small pieces and then use a blender to grind those pieces even further before adding them to your mulch.  The corks will retain moisture longer than traditional mulch and help maintain your plant’s health between waterings. Fill a mason jar with wine corks. Pour in rubbing alcohol until the corks are fully submerged, and seal the jar tightly.  When you need to start a fire, remove a cork or two and place them under the wood to be kindled before lighting the fire.  Make sure not to use plastic wine corks for this method. Be cautious when lighting a fire. Never leave a fire unattended. Use a wine cork to buff an abrasive cleaner, or a mixture of salt and vinegar, onto your dirty knife. When you're done, rinse the knife and dry it well with a paper towel or a clean cloth. Be cautious when cleaning your knives. Go slowly to avoid injury. If you need to sand something as part of a project, use a wine cork to hold sandpaper in place. Simply wrap your sand paper around the wine cork. The curved surface of the cork works great for minor touch ups.
Mix corks in with your mulch. Use as a fire starter. Clean your knives. Use a wine cork as a sanding block.