Since you'll be on Cobb Pkwy., here are two shops that are somewhat in that area.
Little Stitches..1450-C Roswell Rd. Marietta,Ga.770-578-6727
Tiny Stitches..2520 Piedmont Ave.Marietta,Ga.770-565-1113, you can give them a call to get directions or pm me. :-P
Sassyg