Ngokubanzi, ingalo engasebenziyo idityaniswe phakathi kwelinye icala lekhonkco eliphakathi ukusuka kwingalo yePitman kunye nesakhelo sesithuthi sokubamba ikhonkco eliphakathi kumphakamo ofanelekileyo.Iingalo ze-Idler zisesichengeni sokunxitywa kuneengalo ze-Pitman ngenxa yomsebenzi we-pivot owakhelwe kuzo.