i ordered those bugs and other critters that eat off the junk and they did a really good job for my deer skulls... hardly had to use and peroxide at all... i ordered them off of the internet... 'ive tried boiling and its a lot of work... you have to scoop everything out yourself practically and some of the tissue can get really sticky and glue-like... if you don't want to do it yourself you can always have a prof. taxidermist do it for you... some of them have those critters that do a fine job