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Grandma’s Cast-On is a stretchy long-tail cast-on that is easy, durable, and makes great edges for mittens, sleeves, and sweater collars.

Video: Grandma’s Cast-On

Difficulty: Easy

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  1. Measure out tail yarn as you would for the Long-Tail Cast-On.
  2. Hold the tail yarn in the left hand and one knitting needle in the right hand. Tension the working yarn in your right hand.
  3. Close your thumb over the yarn in your left hand.
  4. With your right hand, wrap the yarn around your thumb once counterclockwise.
  5. Insert the needle into the upper loop around your thumb. Pinch the needle tip with the fingers of your right hand.
  6. Wrap the working yarn around the needle tip as if to knit (counterclockwise).
  7. Pull the yarn through the triangle you created with the loops of yarn on your thumb.
  8. Drop the yarn from your left hand and pull to tighten. Do not pull working yarn.
  9. Repeat steps 4-8 for each additional stitch to cast on.


You can make this cast-on stretchier or more firm by adding more or less space between the cast-on stitches.

Animated GIF: Grandma’s Cast-On

If GIF doesn't play immediately when clicked, wait 20-30 seconds. It will play. Click the GIF again to stop.

More Information

Thanks to Knitspot for teaching me this great technique!

Learn Everything There is to Know about Stretchy Long-Tail Cast-Ons!
Visit our Stretchy Long-Tail Cast-Ons Page.

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