Spinners are increasingly seeking to take control of the level of contamination in yarn. They need to meet customers’ quality demands exactly, using foolproof but flexible methods which also take account of mill efficiency, minimising waste and optimising productivity. This case study focuses on an Indian yarn manufacturer which originally invested in early-stage fibre cleaning in 2009, and has since upgraded to #Total Contamination Control, combining the USTER® JOSSI VISION SHIELD and USTER® QUANTUM 3.