Yes, i know the site.. did you notice the date? over 2 years old. and some sites with instructions are older.

but you know, people have been doing it since the ancient times.. there are ancient egyptian skulls with healed trepantions scars, some with more than one..and they didn't have hardened steel bits to drill.. they used hand tools, and no sterile water, or sterile anything..

i just think trepantions is a fun word, and have, suggest to rude, dislikeable people, they should find a hobby--have they thought of trepantions?...

since most people aren't aware of what it is.. and it doesn't sound like anything else.. it's a good line.

home trepanation became popuar (if that is the word,) about 10 years ago.. even TV shows have commented on it. (ER had an episode, for sure)