Weaving slits are used to create color blocks that 2 weft yarns do not interlock with. When you are a weaving two colors in the same row and reach the desired length with a color, the yarn is sent back to create a new row.
Find the full written tutorial on the Fibers and Design website:
http://fibersanddesign.com/weave-slits-weaving-techniques/
A full weaving technique guide can be found here:
http://fibersanddesign.com/weaving-techniques-interlocking-and-weaving-slits-guide/
You can find the Beginner Frame Loom Weaver's Guide on the Fibers and Design website: http://fibersanddesign.com/frame-loom-beginner-weaving-guide/
Weaving Tools Resource: https://fibersanddesign.com/weavingtools/
Don’t know where to start with weaving or need supplies? Fibers and Design’s Weaving Tools page is dedicated to all things tools for weaving- from building your loom to the yarns for creating your designs.
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