This cadaveric dissection-based video article provides a detailed, stepwise overview of frontal sinus dissection techniques, with emphasis on anatomical landmarks, mucosal preservation, and surgical classification per the Draf system. The procedural walkthrough includes Draf I, II-A, II-B, and III sinusotomies, highlighting technical nuances and complication avoidance strategies. Through didactic narration and video demonstration, the resource supports clinical precision and anatomical comprehension for surgeons and trainees managing complex frontal sinus pathology via endoscopic approaches.