About a year or so ago as I was going forward I caught that lip with my the little toe of my left foot. I looked down and said WOW that really hurts! Then I thought "not nearly as bad as it is going to hurt when I put it back in place"! The little toe on my left foot was at a 90° (WOW IT WORKS) angle to the rest of my toes. AND yes it hurt when I pulled it back in place. Did I learn? NO
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Happy Holidays!!