Is abstaining from canceling a long print at 5 hours in too challenging for your dexterity? Do you often pull on doors which clearly say "PUSH", and the other way around? Did you buy your printer yesterday and haven't figured out how everyone prints without running around with an SD card and using the stock interface? Oh boy do I have the right thing for you.

SPLIT FUNCTION CONTROL KNOB!

With this automotive-inspired waste of filament, clicking and browsing through the menus requires 2 separate movements. Turn wheel to scroll, press button to select.

Hopefully, you'll have a harder time messing up from now on. (But seriously, having a smaller surface for pressing really helps with accidental clicks, and you won't even have a chance to properly press on it when scrolling.)