Every studio needs a general-purpose shop knife. To help keep you from dulling your kitchen cutlery when duty calls, Colophon offers two types of knives that come in handy for a variety of book-related operations:

While fettling knives are designed for cutting clay, I’ve found that they are great for slitting paper and other thin materials like bookcloth.  

Similarly, the clip point knife can also be used for slitting operations, but its shorter blade length makes it great for picking brush hairs and lumps out of freshly applied paste, fraying slips, and more. Carbon steel blade set in a hardwood handle. Made in England.