DIY studded tyre work well if your ice season is short.
There are times when the roads are generally clear, so no-one uses studs, but black ice and road frost lurks. You get cold micro-climates in small dips and hollows in the road, esp ones shaded by trees. If you commute you should keep an eye on your road surface micro-climates. Frosty mornings can be good for IDing cold spots