Systems and methods for creating in a facility on-demand routes for powered industrial vehicles to transport cargo efficiently. In accordance with the invention, the indexer assembly comprise first countering means, to counter the rotation of the bobbin in the first direction, and second countering means, distinct from the first countering means, to counter the rotation of the bobbin in the second direction. The disclosure further provides methods and mold assemblies for forming such super abrasive elements via infiltration and hot press methods.