Uncle Scrooge borrows his latest invention from Gyro Gearloose — a pair of shoes containg a radio that uses the kinetic energy of someone running while wearing them to work. Things seem to be going well, until an unforeseen difficulty appears…
Behind the scenesEdit
This story was first printed in January 2008 in the Dutch Donald Duck #2008-04. It was printed in English in 2017 in Uncle Scrooge #437, with a localization by Maura McManus.