Although making rag rugs is a traditional and old craft, it has become quite popular in the last years. I believe that the reason for the interest in this old craft is because making rag wringer rugs is quite environmentally friendly and inexpensive. The world has changed and we now value the practices that are good for our environment. Sometimes people also use recycled materials to make these beautiful rag rugs. This practice is actually considered an art. Clear surfaces - tabletops, bright fresh windows without blocking the light outside - are good for one's mental health and ability to concentrate. Natural light is of better quality and does cost a penny to use. A light bulb doesn't use much wattage, but by positioning one's desk or work area near a window is just plain good common sense. Try to work in the daytime, rest in the evening if possible - it is better for the eyes, as well. Moistening with water in an area where the cat urine. Sprinkle baking soda on damp area and rub.