Thread the yarn needle: Cut the yarn, leaving a tail of about 6 inches. Thread the tail through the eye of the yarn needle.
Identify the weaving direction: Determine which direction to weave the tail, following the pattern of the stitches. Generally, this means weaving horizontally, vertically, or diagonally.
Begin weaving: Insert the needle under the top loops of the stitches, ensuring it follows the direction of the stitch pattern. Pull the needle and yarn through, making sure not to distort the stitches.
Change direction: After weaving through several stitches, change direction to help secure the yarn. Continue weaving the yarn into a few more stitches.
Trim excess yarn: Once the tail has been woven securely into place, trim any excess yarn close to the fabric, taking care not to snip any stitches.