What does protecting your note do?
There is an option in Bloodborne to write a note to remind yourself and others online of hidden treasure etc. Within the Notebook > Notes Made option, you can press 
to protect a note.
What does this option do? Is there a maximum number of notes you can make?
Pictures about "What does protecting your note do?"
Home made protection for archery 2020 (Note: this will not protect you or folks that are within 10')
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Brett Sayles, Suzy Hazelwood, Ivan Samkov, Ivan Samkov