The Böker Plus Rocket is a practical small keychain pocket knife. The Rocket was designed by Darriel Caston. A famous knife maker and designer whose handmade knives are incredibly popular. The Rocket is what we call a dog tag-folder. A small folding knife inspired by a military dog tag: A metal ID-tag which contains the information of a soldier. The Böker Plus Rocket can be carried around your neck as a dog tag or as a keychain on your bunch of keys.