Don't stretch them too much at once, as you will fook it up and it will take longer to stretch, and if you don't go over 10mm, and you decide to take them out if your under 10mm, you can get them stitched up, and they will heal and only leave a small scar. best thing to do is go and talk to it with a peircer, cos they are so helpfull, and it's probably easiest. Phil.