Post on Craigslist that you are looking for someone who enjoys a free coffee and X. (With X being the genre of your product.) Take the replies and explain to th

Post on Craigslist that you are looking for someone who enjoys a free coffee and X. (With X being the genre of your product.) Take the replies and explain to them what you are doing, that you are looking for some market feedback and that in exchange for 30 minutes of their time, you'll buy them a coffee at <INSERT LOCAL COFFEE SHOP HERE> while you discuss their reaction.