Why there are Ridges on F and J buttons on QWERTY keypad

You must have noticed ridges on F and J buttons on a QWERTY keypad. They help in touch typing by defining the home position of your fingers.

The way your home position in touch typing is ASDF for left hand and JKL; for right hand.

So by having ridges on F and J keys you can position your fingers properly on your keypad without looking on it.

If you want to learn how to type faster read this post: Learn How to type faster.

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