Lock And Key Tattoo. Because they are all key and locks, you'll probably want to stay with shades of. Lock and key tattoos have been around for quite a while now, but it's possible they've never been quite as popular as they are right now.
The lock and the key pair is a popular tattoo design on lovers and means wholeness, completion, and the right partner for each other and exclusive devotion. Tracking the lock and key tattoo imagery a century back, one finds they first emerged, just like a majority of modern ink, with sailors and social outcasts. Lock and key tattoos symbolize protection.