Teeth are an important part of the human body
Not only directly affects our enjoyment of food
It will also affect the personal appearance
Therefore, it is very important to protect the health of teeth
And sewing machine feed dogs are just like human teeth
It is the main part of the cloth feeding mechanism on the sewing machine
In the process of using the sewing machine
The uniformity of the feed dog is a very important link
Only good feed dog
The sewing machine can be used normally
In order to make better quality clothing
