When a machine is the wrong tool and when it isn't
Okay. Pants are pinned, you've got the slip stitch under your fingers now. Somebody in class always asks me around this point, why don't we just throw this on the machine. Fair question. Let's actually answer it instead of me just saying "because I said so."
And here's why I want to slow down on this one. People think a sewing machine is the grown-up version of hand mending, like hand stitches are training wheels and the machine is the real thing. That's backwards for most repair work. A machine is a great tool for what it's good at — long straight seams, curtains, yardage. It is often the wrong tool for a repair, and I'll die on that hill right next to the "you don't need to be good at sewing" hill. Two doors down from each other.
Why hand-hemming wins for repairs, most of the time
A machine sews in a straight fixed line at a fixed pace and you feed the fabric through it. You are not really controlling each stitch — the machine is. For a hem on pants, that means:
- You can't easily feel if you've caught just the outer layer or gone all the way through to the front of the fabric until it's done and you flip it over and, oh my heck, there's a line of stitching showing on the right side.
- The machine wants everything flat and fed evenly. A pant leg is a tube. Feeding a tube through a machine without it puckering or twisting takes real practice, more than most people have time for on one pair of work pants.
- Curves — and a hem is technically a curve once you're going around a whole leg opening — are hard for a beginner to keep even on a machine. Your hand can follow the pin line stitch by stitch. The machine follows whatever you feed it, mistakes and all, at speed.
With a hand slip stitch, you feel the fabric between your fingers every single time the needle goes in. You know instantly if you've gone through to the front. You can stop mid-stitch, look, adjust, keep going. That control is the whole advantage.
Where the machine actually is the right call
I'm not anti-machine. I own one. I use it for curtain hems and that is roughly the ceiling of what I do on it, and I'll tell you that honestly instead of pretending I'm some machine expert, because I'm not.
Machine is the right tool when: - The hem is long and straight — curtains, a tablecloth, a bedsheet. - You're doing the same repeated seam many times (a whole batch of something). - The fabric is heavy and stiff enough that hand stitching would take forever and your hands would hate you — canvas, heavy denim, upholstery-weight stuff.
Hand is the right tool when: - It's pants, a skirt, a shirt hem — garment-weight fabric where an invisible finish matters. - The area is small or curved. - You want to control exactly how deep the stitch goes, especially anything you'll wear to church or somewhere you actually want the mend to disappear. Sunday best.
A caution, plainly
If you do use a machine on a hem, watch your pins. Sewing over a pin at speed can snap the needle, and a snapped needle can fling a piece of metal. Take the pins out right before the foot gets to them, don't sew over them hoping for the best.
The story I have to tell you here
First time I ever tried to hand-sew what I thought was a clever invisible patch, I decided to sew it from the inside of the pant leg so nothing would show from the front. Made sense in my head. I got going, feeling pretty proud of myself, finished the whole patch, flipped the pants right-side out to admire my work — and I had sewn the entire pant leg shut. Front to back. A tube with no opening left. I laughed and then I didn't laugh, because I had to cut my own stitches back open and start the whole thing over.
I tell you that not to make you feel better about your mistakes, though it should, but because it's the same lesson as the machine question. Slow, feel-it-as-you-go hand work still requires you to actually look at what you're doing, not just trust your hands on autopilot. The tool isn't the whole answer. Attention is.
Practical steps for tonight
- Look at what you're hemming. Garment-weight, curved, going somewhere nice? Hand it is.
- If it's genuinely long, straight, and heavy — go ahead, use the machine, that's what it's for.
- Either way: pin it, look at it from both sides before you sew one stitch, and check as you go that you haven't caught fabric you didn't mean to.
Before next time
Bring one hem-length garment you've been meaning to fix, and decide out loud, before class, whether you think it's a hand job or a machine job. We'll check your answer together. 🌷
- V