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Ever worn one of those nifty, hand-knotted adustable necklaces? Knotting up a jewelry cord is not as complicated as it looks. Use a standard hand-knotting technique on silk, leather or hemp cord and a few jewelry findings to create a casual, homemade pendant necklace that you can wear as short or as long as you like, even if you want to wear both styles in the same day.
Cut a length of jewelry cord at least 48 inches long -- this length allows you to wear the necklace short, at your neckline, or dangling low on your chest, as the mood strikes.
Thread the pendant of your necklace onto the cord. Move it to the center of the cord. Grip the ends of the cord in your left and right hands and let the pendant dangle in the center between them. Depending on the pendant you use, you may need to make sure your pendant will face the right way.
Hold the left tail end of the cord facing up and down in a vertical line. Turn the right tail end to face inward with a horizontal shape and cross it behind the other tale end, forming a "T" shape.
Wrap the right tail around the left tail and loop the end around the front of the other string to touch itself. Start to tie the end of the right string into a knot with itself, around the other string; before you pull the knot tight, however, wrap the tail through the loop of the knot a second time. This will creates a knot that you can slide up and down the left side of the string.
Slide the new knot about 6 inches down the left string tail. Tie the end of the left string around the right string, below the knot. Make the same double-looped knot that you did before. Both strings will be movable and you can tug both of them to adjust the length of the necklace.
Use scissors to trim the tails off the ends of the knots where they stick out. Cut as close to the knots as you can.