How to use sticky modifier keys
You can enable the sticky modifier keys from Karabiner-Elements Settings > Simple modifications.

Note
The sticky modifier keys acts as general modifier key while you are pressing and holding down the key.
For example, the following operation result is AA
instead of Aa
.
- Press
sticky left shift
key - Press
a
key - Release
a
key - Press
a
key - Release
a
key - Release
sticky left shift
key
If you want to disable this feature, use sticky modifier key (pressing and holding down is disabled)
.
Sticky modifier key indicator
Sticky modifier key indicator will be shown while the sticky modifiers are active.

You can hide the indicator from Karabiner-Elements Settings > UI.

Sticky modifiers and mouse events
The sticky modifiers are not deactivate by mouse buttons if you are not enabled the mouse.
There are two solutions:
- Deactivate sticky modifier by press the sticky modifier key again.
- Enable your mouse on Devices.