Sticky notes can be locked to prevent other users from editing or moving them.
To lock a sticky:
Click anywhere on the sticky note.
Select Lock Sticky.
A red pin will be added to the sticky.
Once a sticky note is locked, you will not be able to edit it unless it is unlocked again.
To unlock a sticky:
Click anywhere on the sticky.
Select Unlock Sticky.
Once a sticky is unlocked, it will be editable again.