This is so great. I have no interest in sharing my location with my friends (4Square) but I carry a number of cards to get discounts (the stamp on top of a squ

This is so great. I have no interest in sharing my location with my friends (4Square) but I carry a number of cards to get discounts (the stamp on top of a square everytime I visit kind) for my local neighborhood places including: http://barrosluco.com/ http://barrosluco.com/ http://premiumbarbershop.com/ http://premiumbarbershop.com/ What can I do to get them onboard?