A tattoo gun, or mechanized needle drive, is a fairly complex mechanical device, and requires substantial knowledge to build or use. (see related link)
just buy it. Its too complicated to make.
you dont.
Only if your friend is can use a tattoo gun properly
Some links below.
7 needles are used in a tattoo gun.
no
It is called a machine, not a gun.
Tattoo guns are not firearms.
It's actually called a tattoo machine. It would be cheaper to actually buy a professionally made tattoo machine than to make one with the correct materials.
don't do it
I hope u dont plan on tattoo someone if you are licensed... im guessing if your asking how to use a tattoo gun on Wiki your not... Watch it serious consequences
put in a plug