Hand stitches like the slipstitch are crucial in good finishing; when sewn properly, they are as strong as machine sewn stitches, and you can do them almost as quickly. But many people avoid them and try to always use machines.

A few words on thread before I begin: Any thread longer than the distance from your hand to your elbow will tangle when you work and slow you down. I’ve actually clocked this; it’s faster to re-thread than to fight a long length of thread.

Before they sew, some sewers wax their thread to strengthen it and make it easier to work with. I don’t, but I do iron it to take out any extra twists. When you’re buying thread, beware of bargains. those spools you get ten for a dollar aren’t for fine sewing. Good-quality thread allows you to work faster, and it’s more durable.

You should also always keep a good supply of sharp, high-quality needles. Preferences in lengths and diameters vary; my favorite is a no. 10 milliner’s needle because it’s slightly longer than a regular hand-sewing needle; it feels better in my hand (probably because I’m used to long beading needles). Experiment and find the needle that suits you best. With good thread and your favorite needle, you’re ready to master the slip stitch.

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The slipstiitch is an excellent hemming and finishing stitch because the thread is hidden inside a fold when it’s sewn properly. The needle “tunnels” between the layers of the folded edge-hence the word “slip.” Use it for hemming and sewing linings in or garment sections together. To keep the stitches flat and hidden, tunnel the needle about 1mm below the fold. In hemming and finishing applications, keep the thread tension snug but not…