To use this Cthul - Aid wall tapestry, you can hang it on your wall using a tapestry hanger or some nails. It's great for adding a unique look to your room. When it comes to cleaning, it's best to use a soft brush to gently remove dust. Avoid using harsh chemicals as they may damage the colors. If there are small stains, you can spot - clean it with a mild detergent and water. Hang it in a dry place to prevent mold growth. And make sure not to stretch it too much when hanging to keep its shape.