We've all experienced it: lending a pen at work, only for it to disappear forever. Sometimes they're even taken without asking.
Frustrated by office pen thieves?
Try this proven trick that's saved countless pens in busy offices:

Insert a blue ink cartridge into a red pen body.
Why it works: Red pens are rarely borrowed, as they're typically used for corrections, not everyday notes.
Your pens stay put—no more thefts! Simple, practical, and highly effective.