Gel pens are usually needles or bullets, and most people may choose bullets to write ... but I often use full needles, which really depends on my pen habit.
Don't use too much force when writing with a gel pen, otherwise the pen tip won't write, and the ink may be broken. If you want to write brush strokes or fine strokes, just lift the pen slightly and use less force, just like writing with a soft brush.
Writing with a gel pen doesn't mean that the greater the force, the more ink will be produced, and most of the hard-pen calligraphy special papers you buy don't absorb ink. If you want to make the strokes thicker, such as turning to write, you can gently lift the pen tip and let the ink spread evenly.
My father and I both like to write with gel pen, because the effect of this word is really good. As shown in the figure: