Newb needs help with zbrush!
Need help with an issue I am having with Zbrush great full for any ones help! 
I am creating an ear on the side of a head I used the move tool to pull out the ear on a low sub division then went to subdivision 4 and smooths of the crease lines and adjust on each subdivision leval. i tried extruding on the highest subdevision and it was fine but then after going down and edditing when when I try to go to the highest subdivision it dose this! and i have no idea why please help!!
[IMG][/img]
I am creating an ear on the side of a head I used the move tool to pull out the ear on a low sub division then went to subdivision 4 and smooths of the crease lines and adjust on each subdivision leval. i tried extruding on the highest subdevision and it was fine but then after going down and edditing when when I try to go to the highest subdivision it dose this! and i have no idea why please help!!
[IMG][/img]