Hitachi Magic Wand with a dodgy suppression capacitor
Anything battery powered with a motor would do it. I know as a kid who played with a lot of things with motors in them (mostly battery powered) that they almost always made the TV go fuzzy.
@DFP started
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Anything battery powered with a motor would do it. I know as a kid who played with a lot of things with motors in them (mostly battery powered) that they almost always made the TV go fuzzy.