Fudgie:I believe you're speaking of the way that you drop and pick up yarns for Intarsia knitting.
Grace: The video for Intarsia is right next to the one for Faire Isle, so that's where you can find it. I actually don't suggest twisting it every stitch, I suggest twisting it every other stitch as this helps to lock the previous twist in place and allows you to effectively knit over the top of your tail when you twist it again. It's a very secure method and you can find an illustrated guide for it at nonaknits.typepad.com/nonaknits/2006/06/knitting_your_e.html
I'm a boy, by the way.
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