dr. bill poe, started his own school called the world's only tattoo school, located in shreveport, louisiana only tattoo school? >> when we first started it, it certainly was the only one in the world and that is the legal name of it. >> reporter: today the students get a lecture about a rotary. >> rotary machines do not work like your coil. >> reporter: and immediately get to put it to use. >> are you ready to go? all right. go ahead. >> reporter: students prepare their stations. >> this is barrier film, to help prevent any cross contamination, any blood that will drip off or anything. >> reporter: prep their clients. >> and where is it going? right here. we're going to have to shave your fur off. >> reporter: and because after all, these are students. >> it's kind of crke