Giving a comb as a present has the following meanings

The custom of sending combs on the Chinese Valentine's Day has been passed down, accepted and inherited by more and more people, and has been given richer meanings: combs represent lovesickness, which means that the other person misses you very much; combing hair with a comb every day also represents his close relationship with you, which means growing old together; combs represent love, and were generally used as tokens of love in ancient times; combs also mean to open the knot in your heart and let your troubles pass, and combing your hair will take care of your scalp and bring you health and confidence...
The romantic Chinese sentiment of the Chinese Valentine's Day even spread across the ocean to Eastern countries such as South Korea and Japan thousands of years ago, and the custom of sending combs on the Chinese Valentine's Day has been passed down from generation to generation. Some old shops in Japan that make custom wooden combs are still in short supply on the Chinese Valentine's Day.
There are several meanings of sending combs:
1. Combs represent lovesickness, which means that the other person misses you very much.
2. Combing hair with a comb every day also represents its closeness to you, which means growing old together.
3. Combs also represent love, which generally meant to be tokens of love in ancient times.
4. Combs also represent health and happiness. They sweep away worries and untie the knots in your heart. Combing your hair will make you feel refreshed and confident.
5. Combs also have modern meanings, such as "smooth" hair, making fortunes smoothly, and sending good luck to others;
6. Zodiac combs are given to friends in their birth year to ward off evil and keep safe; they are given as birthday gifts to wish for a lifetime of peace.