are mainly used for negative spells or charms.  Due to the nature of these types of spells, the exact processes and other ingredients will not be published on this site.  They are used to put a hex on someone, literally putting a nail in that person’s coffin.  Coffin nails are also used in spells of malice, to make someone ill, to drive them away, or even to cause a premature death.  In Voodoo, they were used to drive a victim insane.  They are also used in revenge spells and other destructive magickal workings.