Cheap: Get into the habit of placing, keeping and maintaining pens with cheap pens. For example, metal pens are easy to scratch, especially when they are placed at will, so you need to get into the habit of placing them correctly. Carbon ink is easy to block pens. If you want to use carbon ink, you must learn to clean it in time. ...
Lightness: Sometimes I write a lot when I practice. A light pen can reduce the burden on your opponent and is easy to control.
Out of water: Too many lines are difficult to control, which greatly affects people's mood.
It is recommended to buy a Hero 6 16 in a stationery store (this product is available everywhere).
Note: Don't think that your pen will be easy to write.