Smudge Help

[Kinetics]

How would one go about making a smudge like the blue one in this tutorial, im still a noob at smudge but i would love to learn so yeah
http://browse.deviantart.com/?qh=&section=&q=smudge+tutorials#/d2ku39r

Any help apreciated

[wrftw]

from outside inside and a little from inside to outside. then sharpen. you just need to practice to get it right.

[Kinetics]

Alright thanks

[Lewk]

Go one way bring it back the next. work away from the focal.