Slinky on a Treadmill Running a slinky continuously down a treadmill just out of pure curiosity and boredom… Facebook Prev Article Next Article Uncategorized Checkout these cool gadgets... Related Posts Is This the Most Useless Machine Ever Made? Texas Skyscreamer – World’s Tallest Swing Ride Smart ForStar Concept Car Best Conspiracy Video on 9/11 Toothbrush piercing Soccer + Volleyball = Sepak Takraw