Shelob the spider plys her trade in my  window casing. Her body is two inches long. Her Legs which  are striped red and yellow, make her  six inches across. With great gratitude I can say that she is OUTSIDE my window casings and that I can find no holes in the screens. Her web is cottony and not at all fragile. When she catches something she wraps them up for later. She has three hanging prizes at the moment. The last one is still wiggling. My fear is that they might be hobbits.