Slippery shoes
I suggest creating shoes that can go from slippery to not slippery by some simple manipulation.
Say you are on your way home and you see a puddle of ice. Of course you want to skid a little. So remove the antislip from your shoes, slide over the puddle, put the antislips back, and continue as you were. But slightly happier.
There can be many “slipperies”. For ice, for snow, for show-ish, for wet grass, for grass, for sand, for marble floor, for wall to wall carpet. You name it.
The slipperies can be omnidirectional (you slip in all directions) or forward directed (slipping forward like ice skates) or directed (slipping slightly sideways to make up for humans having their feet slightly outwards).
Curling contestants already have it; an omnidirectional slippery on one foot. Now let’s take it further!