The say the pen is mightier than the sword!! So everybody needs a pen
This idea came to me this morning.
heat gun or matches or lighter
free pen or bought pen
Cut tubing and refill to key size.
Make sure shrink tubing is shorter than the actual refill so when you run out of ink, you can slide the refill up or down to replace with new one.
Shrink tubing using heat gun or matches or lighter.
Impress your friends and enjoy your new portable mini free pen.
Use smaller diameter tubing to create a cap to protect your pockets