4. There are lots of vegan tattoo parlors that offer animal-free ink.
Although law doesn’t require that ink manufacturers list all the ingredients that go into their products, most standard inks are reportedly made using burned animal bones and glycerin (a compound made from animal or vegetable fat).
6. Sailor tattoos carry a lot of meaning.
An anchor means he/she crossed the Atlantic or was a member of the Merchant Marines. A rope means he/she was a deckhand. A swallow represents 5,000 nautical miles traveled, a turtle means he/she has crossed the equator, and a dragon showed that the sailor had served in China.