Can war flails kill knights

If you want to support my videos, then leave a subscription on my Patreon: The war flail! Was it a weapon only used by peasant uprisings, or were they deadly and also effectiv against knights? Timestamps 0:00 - Intro 0:30 - weapon for peasant uprisings or knightly duels 0:42 - the spiked war flail 4:15 - the ironclad flail 5:08 - war flail test against hardened steel armor 7:03 - multiheaded flails 09:18 - the missing spike 10:12 - use of war flails 11:03 - war flails as knightly weapon? 11:31 - conclusion 13:18 - outro