How to open a pen with double brush and double brush?

1, prepare a bowl of clean water, which can be normal temperature water (below 30 degrees); 2, according to the type of brush:

Should the double brushes be fully open? It is easy to divide when it is fully open, generally one third.

Wool and wolf hair can be fully opened; 3. Soak the brush in the prepared water. When soaking the brush, the root of the pen tip should be exposed to the water. Generally, it takes about 10 minute; Because the new pen is shaped with glue, the nib is sharp and stuck together. So after soaking, clean up the glue. /

Direct selling Su Zhang and three pictures of the best brushes.