"It's the ultimate compliment to a band that you'd have that kind of dedication that you put [the logo] on for life," said Ken Casey, who pointed out that Signed and Sealed in Blood featured rather intricate artwork.
Despite the risk of getting inked before actually hearing the album, hundreds of fans submitted photos of their fresh tattoos within the first five days.
"God bless 'em for doing it. I mean, that just makes us feel that much better."
Next, watch Dropkick Murphys describe the perfect way to celebrate St. Patrick's Day: