https://www.youtube.com/watch?v=3wJCmU0GrTA&t=5s(GCN Korean dubbing support video)
Premium socks (30,000 to 60,000 won) save 5 to 1.5 watts
Low-priced (under 7,500 won) saves 1.9 to 0.5 watts
Shucker covers may be a little more effective, but they're too hot in the summer.
Aero socks are also good.
