The two bucket mud challenge is to hold two 5-gallon buckets of clay without using the buckets. Can you do it? In order to do this you will want the clay to be very thick. You start out applying multiple coats. The first couple of coats will be thinner as you smooth it around your body. The more rubbing you do the more the clay has a chance to dry before you apply the next coat. As it stiffens you then are ready for the next layer. The more layers you apply the more your excitement builds. As you empty the last bucket it becomes a challenge to hold it all up as it continually want to slide down your body and you are unable to contain yourself.