Why Didn't The Romans Use Nasal Guards On Their Helmets? Norman Helmets

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Why didn't the Romans wear Nasal protectors on their helmet? Couldn't they do it? Didn't they think about it? Would it make sense for a Roman to wear a Norman helmet? Or just modify their own to gain that extra protection? Let's find out!

Link to Schola Gladiatoria's video about open faced helmets
https://www.youtube.com/watch?v=ek8nTR5Ji8U

Link to my video on the Evolution of Roman armour
https://www.youtube.com/watch?v=IWGSCzYK-HA

Link to my video about gladiator helmets on Roman legionaries
https://www.youtube.com/watch?v=uqHeD30bffE

Видео Why Didn't The Romans Use Nasal Guards On Their Helmets? Norman Helmets канала Metatron