Using a full-size trimmer, bring your facial hair down to around 3-5mm, leaving the hair on the soul patch region under your lip longer.
Use your precision trimmer to trim the hairs on your chin, until you’re left with a tuft of hair just under your bottom lip.
Now for some precision work: use your mini foil shaver to define your soul patch. Imagine a line running down the center of your face. Pointed or square, your soul patch beard needs to be evenly distributed on both sides of this line. Start 8-10 mm below the lip, and stop above the dip in your chin. Beyond that, there are no rules.
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