What are some ways in which I can use a pen for other than writing?

Here are some ways in which you could use a pen for anything other than writing: 

- you could use it to punch holes into bubble wrap 
- you could use it as a weapon 
- you could use a hollow pen as a straw 
- you could use it as a cover for pointed objects 
- you could use it for practicing pen spinning 
- you could use the nib as a tooth pick 
- you could use the nib to open the sim card tray on your phone