The Bottle Hook is very simple: It's a beautiful key hook for your belt loop that also opens bottles, and includes a natural hand-stamped leather tab for your info in case it's left somewhere. Cast in California, this one grows more beautiful with use and time, developing an antique look. Lifetime guarantee against breakage. Corter Leather is a one-man leather company based in Boston, Massachusetts. All goods are handmade, hand-stitched, and finished by Eric Heins. Custom metal accents and hardware are produced in the USA.