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Zig-zag needle-knitted beanie; multi-colour work without having to swap around colours in the middle of a row. This is done by slipping stitches.

Useful technique, but note that the tutorial doesn't start until about half way through the video.

Stitch of the Week # 77 Interlace Granny Stitch - Crochet Tutorial

An interesting three-colour stitch-pattern. Unlike some, it doesn't look that difficult, mainly DC and CH, a sort of alternating Spike stitch.