Here are some things to look for: Does the tattoo shop you are looking at have an autoclave to sterilize equipment? An autoclave is a piece of equipment that uses steam, pressure and heat to sterilize with. Simple Henna Palm Tattoo Here is a photo of a simple henna pattern from my work at Midnight Sun. If you want to see more photos please visit the slide show at Spirit Vision Henna. We are almost at the end of henna season, so please be sure to give a call if you want some body art before winter time. You can reach the studio at (904)993-7466.