What protective soleplate should be used with which material?

IZZI comes with 2 protective soleplates (Guards) to clip onto the DMS Steamer, which are designed to protect materials or fabrics from direct contact with the aluminium soleplate of the DMS Steamer: the protective Textile-Guard (A), which is adapted to textiles and fitted with short, flat teeth, and the protective Surface-Guard (B), which features cylindrical pins with white tips and is perfect for treating hard surfaces.