Italian luxury shirtmakers hem each segment separately instead of in one continuous stitch, and they use single-needle machines rather than double-needle. These techniques create a finer finish and signal quality, even though mass production would be faster.
In industrial manufacturing, mass manufacturing, what they typically do with shirts is they'll do the hem all in one shot at the very end of making the shirt. It'll be one consistent line of sewing because that's what's most efficient. In this case, that is a sartorial, we work differently. In this particular case, every single segment here, they do the hem individually. The reason for that is because it leaves a much more elegant finish and they're able to add these pieces for closure. It's not a necessary step, but it's a step they take because it leaves a much, much nicer finish. And because of that, the wearer is much happier and it falls in line with what they do here, which is luxury garments. So the traditional way for making shirts is single needle machines. It's one needle. If there's any area in the shirt where you see two needles going down, it means they sewed it, folded it over, and then sewed it again. Common in mass manufacturing for shirting.
