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I haven't tried it yet, but I hear that if you rub hard with coarse sea salt over the skin on the desired area that it should toughen it up. The coarse salt will cut into the skin, damaging and sca...
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I haven't tried it yet, but I hear that if you rub hard with coarse sea salt over the skin on the desired area that it should toughen it up. The coarse salt will cut into the skin, damaging and sca...