Just as there's a yarn for every occasion, there's a KNOT for every occasion. The Fisherman's Knot is quite possibly the best one I know for keeping two ends of yarn together - and it does so without creating a huge, wonky protrusion in your fabric.
by AdtCreativity
by Tonni art and craft
by Sapna Creations
by crochet patternss
by Sharmin's Craft
by S Crafts
by Art and Crafts Zone