WIFs are great for tracking threading and treadling and for gaining a better understanding of a draft's weave structure. In addition, you can adapt any WIF to your own needs by changing warp and/or weft color and thickness or any of the 3 main components: tie-up, threading, and treadling. What is a WIF? WIF FAQ. The WIF library includes all multishaft projects from issues of Handwoven beginning with September/October 2019 and is updated with every new issue (plus extra bonus WIFs for special projects).