On the spot.
Would you get a tattoo without knowing what the final product would look like? Thousands of customers of tattoo artist Jay Freestyle line up for just that. Hence his name. Jay improvises each tattoo during the client's session. While the participants are left in suspense, he uses his brilliant watercolor style techniques to create canvas worthy designs including floral arrangements, geometric prints, and portraits. It's no surprise that Freestyle has a background in painting, which he still practices. So if you can't schedule one of his coveted time slots, check out his master collection of prints available online.
[h/t Design Taxi]