Lazy Mousse problem

#1

Hi would like to know there is a option for lazymousse to make the border square 90 degrees instead of round smoothed.

Thank You in advance!

#2

click and hold then hold down the shift key and drag
http://i.imgur.com/f8ohFOi.jpg
i used a square alpha on the image below.
i used the layer brush then store morph target so it doesn’t overlap with build up while using the layer brush