If you have the experience that pulling out a plug. This design is a good solution. Designed by Kim Seung Woo. This plug comes ith a circular cut-out which can help you pull it out easily and encourage users to save energy. "With its circular cut-out, the Universal Plug allows everyone to pull out plugs easily, regardless of the strength of their hands. It may also encourage people to develop a good attitude towards conserving energy. "
