Methods for craw clearance include swallowing (when possible), retraction of the obstacle, and reshaping of the state of the craw in question to accommodate the intrusion in a less bothersome fashion.
Very sleepy. Fell asleep in a chair with some especially schlocky schlock on the teevee. My remote batteries are going, I think. Or it's something about the DVR, which is wonky in other ways. Schlocky wonky, wonky schlonky, e i e i o.