The Habit Burger Grill is offering up a FREE Charburger with Cheese Coupon when you join the CharClub! Simply fill out the short form to get yours. The coupon will be sent to you via email within 24 hours. To save ink, you can present the coupon on your mobile device. Offer not valid in USC, GCU, LAX, UAE, Reno, China and Santa Barbara County locations. The coupon is valid through March 31st.