Summary: If you've ever experience or read about a problem with vac-filling pens drying up after writing for a few minutes, you will definitely want to check out this video. The solution to your problem could be so simple you'll slap your forehead.
Summary: If you've ever experience or read about a problem with vac-filling pens drying up after writing for a few minutes, you will definitely want to check out this video. The solution to your problem could be so simple you'll slap your forehead.