Devil's Playground is the most creative Go Go Bars in Patong. Located in Soi Seadragon, just off Soi Bangla, you will have no problem spotting it with it's cave-like entrance. Almost all Go Go bars in Phuket have fixed and clearly indicated prices, so there's no danger of being scammed. If you are not sure, don't be afraid to enter and have a look. If you are not satisfied with what you see, just leave - no one will harass you.
Important note: Never follow a tout on Bangla road! Go Go bars are easy to find and following a tout may cost extra!