Your question: How do you knit an afterthought heel?

How much yarn do I need for an afterthought heel?

When knitting toe-up, measure the weight of the ball before and after you finish the toe. The difference, multiplied by 2, is how much yarn is needed for the heels.

Where do you start afterthought heels?

Beginning at the right end of the heel opening, insert one of the needles under the right leg of every stitch in the row below the waste yarn. Then insert the second needle under the right leg of every stitch in the row above the waste yarn.

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