Embodiments related to a hold down brush with an improved tine configuration that can be used in a corrugator machine. The hold down brush can include multiple rows of tines made from acetyl, wherein the tines are embedded within a polyurethane base of the brush. The acetyl tines are food-grade and reduce or eliminate breakage. Embedding the tines (as opposed to gluing them) reduces or eliminates dislodging of the tines in operation. In addition, the hold down brush can be made into a number of small brush segments, which can facilitate quick and easy replacement and maintenance.