Charm bracelet or anklet tattoo for sisters. The charms would be each sisters initial.
35 Ultra Sexy Back Tattoos for Women. Back tattoos:)
75 Graphically Gorgeous Geometric Tattoos Cute couple or Best friend tattoo
Simple and beautiful shoulder mandala tattoo. The shoulders are another popular place where mandalas are inked because of the flat space and that you can show off the tattoo with almost any type of clothing on.
28 Sassy Tattoo Designs for the Spine - Sortra