Adding a white buffer zone to a pattern brush

In this movie, I'll show you how to create a variation…on our pattern brush that includes a little bit of a…white buffer that will help to distinguish the brush from a…potential fill pattern, as in the case of this big, rustic W.…So I'll switch to our drawing so far, and then I'll…press Shift+page down in order to advance to the second artboard.…I want to go ahead and lock this guy down, so…I'll click on the path outline in order to select it,…and I'll go up to the Object menu, choose…Lock and choose Selection, or you could just press Ctrl+2.…

Or Cmd+2 on the Mac.…And then I'll just help to protect that shape.…Then I'll grab these guys and I'll drag em up to about…here let's say, just to give myself some more room to work.…And I'll marquee this bottom group of paths…and I'll drag em down while pressing the Shift…and Alt keys or Shift and Opt key on the Mac in order to clone those paths.…Alright, now I'll go ahead and zoom in on the selection like so.…And I'm going to press the Shift key…and marquee the tops of these invisible rectangles.…