The main function of working cushion is to reduce the impact between pin and desktop. There are three kinds of common working cushion:
The advantages of foamed cotton working cushion: cheap price, not easy to adhere to wool, very suitable for beginners. The size of foamed cushion sold on the market is different, and can be chosen as needed. Disadvantage: After using for a period of time, it will need to be replaced because of the bursting of bubbles.
Advantages of high density seabed cushion: thick and elastic, when curling wool, the surface of sponge can cause resistance, so it can be very compact. Disadvantages: too many times of use, there will be stuck hair and sponge debris, too flexible work cushion stabbing may occur bullet needle phenomenon.
. Advantages of brush working mat: It looks like a clean brush. After careful observation, we will find the difference. Its brush density is very high, neat, and the price is high, but it can be reused. Generally, it has no wear and tear problem. It is very suitable for flat objects of felt. Disadvantage: When needle felt, the back of the work will easily fluff because of contact with the brush. A non-woven cloth can be placed on it to avoid contact with the brush.