Clay Knapping

import mods.terrafirmacraft.ClayKnapping;

ClayKnapping.addRecipe(String registryName, IItemStack output, String... pattern);

ClayKnapping.removeRecipe(IItemStack output);
ClayKnapping.removeRecipe(String registryName);

ClayKnapping.addRecipe("unfired_vessel", <tfc:ceramics/unfired/vessel>, " XXX ", "XXXXX", "XXXXX", "XXXXX", " XXX ");