a word of warning about clay. any type of clay used to seal or for any use in your forge for that matter must be left to dry for at least 5 days (+or- depending on size) before fireing...or it will explode from steam and send hot chunks of clay and charcoal flying everywere burnings stuff including but not limited to, your favorite shirt, plastic tarps, the fence, grass and screens on windows....as an aditional note hairjell burns fairly vigorously as well....so ya be careful
FIN