Heart Lock and Key tattoo indicates that the holders body has a special place that is heart where he/she keeps the love feelings safe from anyone else then his/her lovers and only he/she has a key to unlock the heart.
The most prominent place for heart locket tattoo is obviously the chest where the heart is supposed to be present, however many of the couples and lover partners have these tattoos on other parts of the body as well such as wrist, full hand, legs, feet, ribs, on the back and a small at the back of ears as well.
The heart padlock is usually tattooed by women and the guys have a key for matching couples tattoo, so it is the best choice of tattoos for lovers to express their feelings and indicating a long lasting relationship. It is also a sketch that only men and women have on their body parts to indicate that it has the someone special locked in the heart and only that person has the safe key to unlock it.
If you are in a serious relationship then you definitely need to checkout this photo gallery of heart and key tattoo designs for your next tattoo sketch ideas!