Method 1: The most important thing is to hold the trigger with the right hand and squeeze out silicon sealant evenly. We should use what we usually call "Yin power", that is, to maintain a certain amount of strength, but the most important point of not being a school in college is to be in one go, not to squeeze, stop, otherwise, silicon sealant on and off, or a freshman school because it is usually silicon sealant when the gun is just squeezed out.
Method 2: Use wallpaper knife oblique cutting. Generally, there are several scales on the plastic nozzle. The end is the small mouth, which increases in turn. You can cut it according to your needs. The cut is 45 degrees slope angle, so the glue is smooth and smooth without printing.
