Maybe the idea will catch on.
RUSS ANDREWS Introducing the new triple screened downlead The oxygen-free natural lead large gauge outer screen will provide a massive improvement to your digital TV picture, by keeping out interference radiated by solar flares and next door's cat. The outer screen utilises US military 'stealth' technology and has a rectangular cross-section to maximise interference-reflecting surfaces. An easy DIY install that will revolutionise your viewing.
Bill