Snag Nab-It is a handy little tool to catch snags or wayward threads and take them to the back. Snag Nab-It is 2 3/8″ long with a needle point. Half the tool is textured and diamond cut, which is what catches the thread as poke the thread through from the front to the back. When you pull the tool through, it captures the snag or thread.
It is also a great tool to use with your machine embroidery for those occasions when you get small, infrequent loops on an otherwise perfect design. Carefully use the tool to pull the loop so that it is flush with the other stitches.
This video below from Dritz is a very helpful tutorial for using your Snag Nab-It.