How to refill our fountain pens using ink cartridges
1. Unscrew the pen body by twisting it clockwise to separate it from the nib section and remove any empty ink cartridges.
2. Firmly hold the grip with one hand
3. Take a new ink cartridge and insert it into the nib section, making sure the narrow end of the cartridge is inserted first.
4. Reattach the pen body by screwing it back onto the nib section, twisting it clockwise until it is securely fastened.
5. Your pen is ready to write