WELL, I STILL DON'T LIKE THE BOARDS BUT.....
A PROTECTIVE CIRCLE IS GOOD WHEN WORKING WITH SPIRITS. YOU ONLY WANT TO USE A FEW BECAUSE MORE CANDLES DRAW MORE SPIRITS. YOU COULD MAKE A CIRCLE WITH INCENTS OR SALT. ALSO, GET TO KNOW THE SPIRIT, DON'T ANGER THE SPIRIT, STAY IN CONTROL BY BEING POLITE. NEVER ASK A SPIRIT TO DO ANYTHING OUTSIDE THE PROTECTIVE SPACE. THAT GIVES THEM THE RIGHT TO LEAVE THE SPACE (IN YOUR CASE THE BOARD) AND DOING ANYTHING THEY WANT. NOT A GOOD IDEA

WHEN YOU DONE, SAY YOUR GOOD-BYE AND CLOSE THE PORTAL. OTHERWISE YOU WILL HAVE SOME SPIRITS LOOSE IN YOUR HOUSE.
THOSE ARE JUST A FEW POINTERS AND I HOPE THEY HELP.
PEACE, ROMANA