Left hand radical (Kangxi #64
手 in its 3-stroke compressed form). Anchors the action:
披 is to drape or throw on with the hands — a coat over the shoulders (
披着外套), a shawl wrapped around someone, hair let down (
披肩长发 'shoulder-length flowing hair'). Same radical groups
打,
拉,
推,
抱 — hand-action verbs.