1. The wool yarn is preferred, the yarn is required to have good evenness, hairiness, and single yarn strength, and compact siro spun yarn is preferred.

2. For the same yarn count, dense knitted embryos are used to make the fabric surface tight;

3. Control the shrinkage of the fabric so that the fabric surface is tight;

4. Cotton products can also provide fabric fluffing grades through the etching process;

5. Anti-static treatment of fabric.