Now that you understand the basics of sharpening, it's time to delve into the realm of advanced sharpening. Consider yourself warned that this is pro-level stuff and not for the faint of heart. (Basically, these methods involve many more steps than the techniques you've learned so far.) In this section, you'll learn how to create a detailed edge mask, make a new high-contrast channel, and sharpen using the High Pass filter. Read on, brave warrior!