A garrote is a conventional restraint and killing tool, not a universal supernatural weapon. Its value in the archive comes from the specific episode use and the people involved.

Evergreen stakes kill the pagan gods Madge and Edward Carrigan when driven through their hearts. The rule is specific to those beings, not a general replacement for every wooden stake.

A devil's trap does not kill a demon. It contains one. As long as the symbol remains intact, most demons cannot cross its boundary and lose access to many of their powers. Break one line, however, and the…

Ruby's demon-killing knife gave the Winchesters a way to kill most demons permanently, but every use carries rules and consequences. It usually kills the possessed vessel, fails against the strongest classes of demons, and cannot kill angels or…

Samuel Colt built this supernatural revolver in 1835 and made thirteen original bullets for it. The Colt can kill most supernatural beings and unlock the Devil's Gate, but Lucifer confirms that five things are beyond its power. The…