my brain rip liao. now it seems like its the frogspawn's turn.one of the heads seem to be dying. tentecles all disappear into it. want to frag it to save the rest. any suggestions on how to frag? do i just use a penknife and cut away the head, or do i need special equiptment? after cutting off the infected head, what must i do?first time fragging and i don't want to lose my frogspawn.