Things You Never Knew Actually Had a Purpose Until Now

What About Those Bumps on the F and J Keys?

12 17574
Neil Godwin/T3 Magazine via Getty Images

Most trained typists know what those little bumps on the F and J keys are for on a keyboard, but for the rest of us, we’re a bit lost, while others really never noticed them to begin with.

Turns out, in 10-finger typing, the F and J keys are the home keys – the keys where your index fingers rest. Those little bumps on both keys let you find your way back to the home position without having to actually look down at the keyboard. While a lot of us probably don’t follow the rules of 10-finger typing, it’s still a fun tidbit of information, right?