Uncle Knuckles is a collection of hand drawn art inspired by finger tattoos. Many of which were symbolic to sailors.
The Nautical Star was meant to help them get home safely. It is now a symbol of protection, guidance, and good luck.
The Swallow meant you would always find your way home. “Home” in this sense could mean home with your family or called home to God after death (it was believed that birds could carry souls of the departed to heaven).