yall wanna hear something cool, but yet kinda goss, but it totally amazed me just now…. Well, i bought these Mudoku foot patches….they are suppose to draw the toxins out of your body, well I wore therm all night and took them off minutes ago,,,,, and to my amazement, they were black..guess that’s where they got the name for them, huh??? But then, i smelled them, guess what..smelled like nicotene tar!