The Battle of Courtrai doesn’t get included in many medieval warfare books, yet it is widely regarded as the beginning of the pattern of new warfare in the fourteenth century, when the power of cavalry would be stymied by troops fighting on foot on terrain chosen to defend infantry and prepared with ditches, holes, and stakes to hinder the build up of speed and power of a cavalry charge.
Maps taken from 
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The Verbruggen book cover is a photo of the Courtrai Chest carved in 1302 to commemorate the uprising and victorious battle against the French that year.
