How to effectively distinguish between public chopsticks and self-use chopsticks?

The best way to distinguish between public chopsticks and private chopsticks is to look at the color instead of the length!

There are six elements in product design: color, modeling, structure, graphics, people and materials. The most effective difference is color: first of all, red is used as a warning for public chopsticks, and black is used for self-use chopsticks, which represents self-discipline, and is also the common color of alloy chopsticks for personal use; In addition, the chopsticks are printed with the words "public chopsticks" to realize effective distinction. This method was shared by Mr. Zheng Chenglie, the founder of Shuangqiang, at the experience exchange meeting of Quzhou public chopsticks and spoons in May 14, and was widely recognized by all participants.