Ravelry: Tenth Wave pattern by Pelykh Natalie (I originally thought it was creative ribbing, but on closer look, it appears to be more like a cable)
Men's Hat Knitting Pattern - Bartek (Pattern PDF) - yeppers, a pattern worth buying to try!
Ravelry: Dragobrat Hat pattern by Natalie Pelykh
Kemuri Hat Pattern by Olga Buraya-Kefelian using The Plucky Knitter "Sweater" in Wintry Mix
Ravelry: Cabling Hat pattern by Hanna Maciejewska
Ravelry: Windschief pattern by Stephen West