The intriguing Möbius (or Moebius) strip has one side and one edge, as anyone can see, but some can't believe.
It was discovered independently by August Ferdinand Möbius and another German mathematician, Johann Benedict Listing, in 1858.
What this version also brings out is that it is a beautiful thing, that anyone could wear with pride.
Our Möbius strip 24-hour clocks are unique! You saw them here first.