The Grinch proved he was up to his old naughty tricks when he snuck into the bowling alley and started messing with the pinsetter machines, causing pins to jam, and send bowlers into a chorus of confused groans. Lanes sputtered to a stop as he cackled and scurried between the back ends, flipping switches and tossing pins where they didn’t belong. Staff quickly caught on, and after a lively chase past humming lanes and clattering balls, they finally ran the green troublemaker right out the doors,

This is Why Clacker Balls Were Banned In The 1970s