Renaissance Ink has had “flocking gels” for sale for several years, but I was never sure what they were, or what to do with them. This site has a tutorial on how to use the stuff. Looking closely at the photos, I think I can safely say that flocking gels are textured gesso, of the type that you find in the ladies craft stores, such as Michael’s. I’ve use the gritty gesso to texture the sides of my foamcore houses, and the fibrous type to make thatched roofs.