hidden clip

Hey all... I have been making pens for 3 years but nowadays I started to make kitless pens. But I have many questions for that. I am really sorry if I open an opened topic before. Starting with my first question. I want to learn how some pens add their clips to a line hole without a ring... I...

This fountain pen has been an idea in my head for a few years now, and this is my first successful attempt at it. I still have a few processes to iron out as I develop this design (hidden clip, CA finish, wall thicknesses), but as a proof of concept I am very pleased with how this pen came out...