Slip knots are used in knitting and crocheting to secure the yarn to the needle. It's the first step in threading a crocheted chain and counts as the first stitch.
method

Step 1. Pick up the thread with your left hand about 12 cm from the end

Step 2. Make a loop by taking the long end of the yarn (on the ball side) and wrapping it over the shorter end
Hold the point where the yarn crosses firmly between your thumb and forefinger.

Step 3. Take your right hand, take the long end of the yarn (on the ball side) and thread it under the loop and through it, making a new loop

Step 4. Take the new loop with your right hand and pull until the first loop is tight

Step 5. Place this new loop over the end of your knitting needle or crochet hook and pull on the long end of the thread to close the loop over the needle
Method 1 of 1: Alternative method

Step 1. Remove 25cm of yarn from the ball

Step 2. Make a loop in the yarn

Step 3. Place the loop over the yarn to the side of the loop

Step 4. Take the yarn in the loop and pull it through

Step 5. Pull the knot tight and leave the loop open at the top

Step 6. Slide the knot onto a knitting needle and pull it tight
Tips
- To undo a slip knot, pull on one end and the whole knot will untie.
- This knot is called a slip knot because you can make it larger or smaller by pulling on the loop or one end.