I very much agree with Dostoeschweffsky on this one, I also work the bar scene and you'd be amazed how much DHV you get just from walking into a bar/ club you frequent regularly.
Seeing as you aren't in the industry it can make it harder but all you need to do in my opinion is start growing your base of aquaintances in and around your hunting grounds.. Start bantering the doormen when you step out to the smoking area, chat to the bartenders when they're not too busy, lock into other regulars and introduce.. Now you don't need to befriend these guys too much.. think this is part of the long game, after a couple weeks you should be fairly well known in your haunts and so when you are out sarging some lucky ladies you're guna find DHV crawlng out the woodwork when you bump into the people who share your enjoyment of this particular bar/ club. Use you're game to earn the love of your unknowing wings
And always remember, even if you aren't with friends in the club use time constraints saying you have to get back to 'em... No one likes a code-5 clinger! And good grief seriously check out the packs of AFC's on the dancefloor from 2 onwards Dostoeschweffskys got it right it is rather upsetting to witness and you can use it as a motivational tool; "I will never be those guys!"
Go forth and fuck shit up man!