Traps
Forearms, Shoulders
Stand feet shoulder-width, hold barbell with clean grip (overhand/hook) at mid-thigh.
Back straight, slight forward lean.
Explosively extend hips/knees/ankles slightly (like start of 2nd pull).
Immediately follow with powerful shrug, pulling shoulders towards ears.
Keep arms straight.
Focus on upward shrug driven by triple extension.
Lower bar with control. Repeat.