There's some interesting information about ear tattoos here:
http://www.gsdhelpline.com/tattoo2.htm
I suspect they do hurt but the process is very quick, only a few seconds, so nothing like having a 'human' tattoo done. They clamp the ear with numbers which make tiny pin-pricks in the skin then rub the dye in afterwards.
http://www.gsdhelpline.com/tattoo2.htm
I suspect they do hurt but the process is very quick, only a few seconds, so nothing like having a 'human' tattoo done. They clamp the ear with numbers which make tiny pin-pricks in the skin then rub the dye in afterwards.