They were then colored and textured with a combination of watercolor, gouache and pencil and ink frottage. Frottage is a technique created by Ernst that involves creating rubbings of different textured surfaces like wood and textiles to give the work a three-dimensional appearance.
They were then colored and textured using a combination of watercolor, gouache, and pencil and ink rubbing. Rubbing is a technique developed by Ernst that involves creating impressions from various textured surfaces like wood and textiles to give the work a three-dimensional look.