The first thing I do with any accessory is check the weight of it in my hand before I even look at the colour. A belt with proper substance to the leather, a scarf with real heft in the weave, a watch that doesn't feel like it'll snap if you look at it wrong. Light and flimsy almost always means it's cutting corners somewhere you can't see yet, and you find out exactly where six weeks in.
Accessories take a strange sort of beating for how small they are. A belt gets threaded and unthreaded most days and the holes start to stretch before anything else gives up. Gloves get shoved in pockets wet from the school run and come out stiff. Scarves get balled into bags and pulled out creased. Hair clips lose their grip the second the spring inside goes soft. The ones that last do it because the materials were decent to start with, and because you treat them like they matter rather than like an afterthought you can replace for nothing. Wipe leather down before it dries out, let wool dry flat rather than on a radiator, keep metal away from the bottom of a bag full of keys. None of this is complicated, it just has to actually happen. Weather sorts the weak ones out fast. A proper lined glove laughs at a January platform wait, a thin one leaves you flexing your fingers by the second stop. A real wool scarf earns its place on a grey, drizzly morning, a synthetic one goes limp and a bit sad by lunchtime. In an ordinary week these are the things that quietly hold an outfit together, the belt that stops a dress looking shapeless, the scarf that makes a plain coat look like you tried, sunglasses that make a boring commute feel less boring. They go with nearly everything precisely because they're small, which is also why a cheap one stands out more than a cheap jumper ever would. Hardware tells you a lot, a buckle or a clasp that feels loose in the box won't tighten up with use, it'll just get worse. Stitching that's already fraying on the shelf isn't going to hold up after a winter of real wear. Good finish looks deliberate, edges sealed, seams flat, nothing left raw or hanging.
This is for anyone who's noticed that the small things in an outfit are the ones that let you down first, and has decided not to let that happen twice.