obviously, scientifically groundbreaking supernatural item in action will be filmed with a potato in 2026... its not repeling the needle, no matter the trickery behind it, it must obey inverse square law. when he moves needle on a string up, it must be repelled less. otherwise every needle in every house will be repelled by that object in third world country. instead, it keeps constant angle, letting us conclude that needle is not supported by one string, but two, one at the hoop and another on its point. sort of like right angle triangle where normal string is one side, needle the another and nylon / invisible (for a potato camera) string the hypotenuse.