Benefit of Twisty bottom ballpoint pens over Clicky tops

1. How does a twist pen work?
2. What is a clicking pen called?

How does a twist pen work?

How Does a Twist Pen Work? The twist mechanism is usually located in between the grip and the barrel so that when you twist the grip, the ballpoint tip comes out. There are stoppers in place to ensure that the pen doesn't twist all the way around.

What is a clicking pen called?

A retractable pen is a type of ink pen that has a spring-loaded ink cartridge which retracts and extends outside a protective housing. By clicking downward on the top of the pen, the tip is extended and locks in place at the bottom of the housing for use.