Reference Material Links:

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https://patents.google.com/patent/US2458717A/en?q=bull&q=blinders&oq=bull+blinders

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https://docs.google.com/presentation/d/16saDP4IW4p43VIRAIxwzEk6bFmU7TXtruZH4rB_VsA4/edit#slide=id.p