Edit: please explain like I am actually five.
In: 2979
It has the ability to be made extremely smooth. Smooth things have less friction (Until they get reeeeeally smooth, then some additional weird quantum stuff can go on between them like cold welding and strange stuff, but we don’t have to worry about that). It can also be made not smooth. If you put it in a mold with a lot of texture, the silicone will pick up that texture. More texture means more friction. If you see a silicone mat that’s smooth, it’s probably non-stick. If it has a bunch of ridges, it’s non-slip.
There’s also something else with the ridges too, it often thins out some of the silicone, making it easier to bend. As it bends and squishes, it can temporarily deform itself to hug a surface more closely, meaning more surface area for more friction.
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