The Shemyaza Master Key amulet - how to use it?

I’ve done a search and checked out all the topics about the Shemyaza Master Key but none of them really answered my question.

I have the amulet (which you’ll find to purchase here) but not really any idea of how to use it.

I’d like to program it to protect me from harm, etc. I know you can draw out the sigil and use that but I bought the amulet for on-my-person protection. How do you program it?

I’d like to know how to use it as part of any ritual to empower it. Do you have any good methods?

A lot of people put blood on it and ask Shemyaza for what they want