We give Open Houses at our facility quite often and find that doing a raffle of some sort definitely draws interest! It could be a giant jar with signup sheets for a FREE membership (so now you have names and #’s for followup!)
Doing a press release is FREE publicity!!!
Draw attention to your event with balloons/banners out front and road signs on as many corners near your facility.
I am not sure what type of studio you have but focus on what sets you apart from the other guys! 🙂
Word of mouth, posting on Facebook and HERE ON FitnessConnect!!!!