The groove on this wireless mouse USB receiver flips the mouse's switch on or off depending on whether you remove or replace it.

Image from i.redditmedia.com and submitted by win-take-all
image showing The groove on this wireless mouse USB receiver flips the mouse's switch on or off depending on whether you remove or replace it.

baughberick on April 5th, 2017 at 21:08 UTC »

That kind of physical, subtle mechanism is so hot.

strway2heaven77 on April 5th, 2017 at 21:10 UTC »

Just to preserve the integrity of r/EngineeringPorn, I need to point out this is a novel use of a cam in slot.

paulrulez742 on April 5th, 2017 at 21:20 UTC »

Had that mouse in the past. Gripes: The dongle is the largest USB dongle I've ever come across, and it doesn't nest very well inside the mouse.