We collect your examples of things that are impractical or impossible for left-handed people to use.

Baby nail scissors
Universal weld seam gauge
Cutting machine
Pallet truck
Gear shift bicycle
Foldable camping cutlery
Knot instructions mostly for right-handers
Printer copier more convenient for right-handed people
Helmet lock is easier to open with the right hand
Coffee cup Villeroy&Boch
Arrangement from left to right
Miniature golf course with a disadvantage for left-handers
Measuring spoons for baking and cooking for children
Exhaust on the right on certain motorcycles