It's where a clothing manufacturer will literally burn pieces of the fabric, but not all the way through, either in a specific pattern or at random. (lmentsofstyle.com)
Also, that problem was apparently known by the manufacturer and nearly impossible to fix because it actually burned a piece within the passenger door. (autolist.com)
Today most of her time is spent making mini paintings and wood - burned pieces on recycled and free fallen wood. (creativeboom.com)