Simple steps to use TEVILIK Double Line Outline Pens:
1.First, shake the body of the two-line magic markers up and down
2. Press down the pen tip to eject the ink. (press lightly, not too hard)
3. Please close the cap immediately after use to prevent the ink from drying out!
Note:
Use on paper thicker than 80g to prevent ink penetration.
When the pen is dry after use, gently press the tip again.