is an emergency I am Not Dead radio button that gets installed in coffins.
If you ever wake up in a coffin buried 6 feet under this could give you a fighting chance-- vfrackis, Dec 14 2012 Not dead yet... http://www.youtube....watch?v=dGFXGwHsD_A [normzone, Dec 15 2012] Embalming is a good way to avoid live burials.-- Kansan101, Dec 14 2012 Five kilos of Ammonal initiated by a hand-operated igniter would give a clear indication to those above ground of a "premature burial", while at the same time cheaply and easily dealing with the problem.-- 8th of 7, Dec 14 2012 random, halfbakery