1. The comb is made of bamboo, with a beam in the middle and dense teeth on both sides. Teeth are denser than combs, so compared with traditional combs, the function of comb is mainly to scrape off dandruff and lice hidden in hair.

2. The making of grates is a typical handicraft, with meticulous and complicated processes and numerous procedures, which have to go through 108 "hands and feet". This is divided into three major links: running teeth, running period and running gear.

3. Function introduction: In the past, the sanitary conditions were poor and the lifestyle was backward. People often have lice on their clothes and hair-gently rubbing their heads, which also plays a role in massaging the scalp, relaxing muscles and activating collaterals. Moreover, because the grate has been an object in the boudoir since ancient times, it has always been regarded as a symbol of affection between children and men. In the old society, poor rural youth generally gave the fireplace as a symbol of love to their lovers to express their sincere love.

4. With the improvement of social living standard, the practical function of grates has gradually lost, but its manufacturing technology and exquisite appearance have aroused people's artistic aesthetic interest and collection hobby, while the old people are nostalgic. Gradually, the fireplace became a souvenir of tourist crafts.