Other Suction Roll Applications 109 Suction Roll Shells 109 Roll Shell Covers 110 Grooved Press 112 Grooved Steel Roll 112 Grooved Press Geometry 113 BlindDrilled Pr ess 114 Fabric Press 114 LongNip Press 115 LargeRoll Press 116 Shoe Press 116 Design Principle 116 Effect of Shoe Pressing on Paper Quality 118