Dovecraft's bone folder is a dual purpose tool for scoring and folding most types of paper, card, vellum and acetate. To score, press the pointed tip of the bone folder firmly onto paper or card and firmly run it down.
6" Genuine Bone Card Creaser / Bone Folder Book binding card crafts care4books
12x12" Enveloper Maker Scoring Board Tool with Bone Folder and Triangular Guide
Lineco Bone Folder 15cm (6") Bookbinding Tool
2PCS Leather Working Tool Bone Folder For Leather Craft Scoring Folding Creasing
