Skill level = Easy.
One way of using up extra sock yarn. Any sock yarn with a nylon content added works great.
These booties can be made bigger by starting with more chains and making more SC
I found this worked great for my kitchen/dining room chairs.
The elastic helps them to stretch to fit the leg plus they stay on.
My son was totally in awe that I was able to do this for them and save there wooden floor from scratching.
If he only knew how simple these are to make and how affordable.