Pendulum mat for simple answers from entities? Experiences from others?

So this thought came out of nowhere. I’ve never tried it yet but am asking for anyone who has had simple questions answered via pendulum and the pendulum mat when their senses are not developed yet.

Sort of like the entitity can help you in some way at least for now until the communication is more clear by two-way communication back and forth.

Off topic a little - the only experience I’ve had so far is the sense of feeling Belials energy. Almost physical, HOT, turns the heat up, astral winds blowing against my body and face. All this occured the night I realized my request was fulfilled.

Problem was I could NOT make out most of what he was saying but I knew he wanted blood.

Here is my pendulum mat. The Pendulum is coming soon to cleanse and charge it. Any advice to give?