How Do I split a Lush Bath bomb?

i use a chisel and a hammer and it works fine so maybe you need a cleaner insert with the chisel and then only pound the hammer once or twice. i learned it from a youtube video: a href="http://www.youtube.com/watch?v=8aFwPq3-MeQ." rel="nofollow"http://www.youtube.com/watch?v=8aFwPq3-M…/a