first off boil outside wives do not care for the smell
i use a turkey fryer with water and either dishwash soap crystals or 20 mule team borax. the sodium bicarbonate loosens up the meat makes it fall off the bone easier. still will some detail cleaning on the back underside of skull.
NOTE: sodium bicarbonate is some what of a bleaching agent. careful if antler sit down in the water too. also watch to make sure that you dont boil it too long the the tissue that holds the skull bones together breaks down (easy fix if it does with elmers glue and rubber bands)