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Then you'll need one of these Vietnamese Coffee Filter.
They can be tricky to get just right, but there are a plethora of good videos on youtube on how to properly use ithem.
I got one off of Amazon from Fitzy Shop. I ended up getting the 8 ounce one which is smaller than I expected, it'll fill up a standard mug about half way. The brew stronger though, not as intense as espresso but sharper and smoother than a French Press. Definitely worth $5!
Vietnamese coffee filter (Amazon). If you have an asian market near you, you can often find them for around $5.
Vietnamese coffee dripper. They are cheap and an incredible coffee experinece. Be sure to get authentic vietnamese coffee to go in it, and couple cans condensed milk! (see video) Once you have your game sorted with that, you can progress to vietnamese egg coffee!