SEYDEL Blues SESSION STEEL Harmonica D Blues SESSION STEEL Harmonica D This is a superb blues harmonica with corrosion-free stainless steel reeds, ergonomic covers and plastic comb The SESSION STEEL is the upgrade to Seydel's successful SESSION mode It is presented with a bold new look and superior technical reliability, excellent playability and a fantastic sound The ergonomic coverplates are made of stainless steel, and are completely rounded at the mouthpiece