It's like using the ouija board but the "medium" holds a pen or pencil over a sheet of paper. Those present ask a question, energy comes down the arm to the hand and writing begins. The pen never leaves the paper so, in my personal experience, the writing continued at page edge by proceeding from right to left backwards (as in a mirror). Reaching the lefthand side of the page, the pen reverts to writing normally again. The sentences form a zigzag. The "medium" should be blindfolded and those present be ready with new sheets of paper with which to replace the written pages.
The arm never aches and the person holding the pen is only aware that the hand is moving but no other physical sensation.
The last time I did this, we forgot to "close" the seance and for two nights afterwards were all woken up during the night with lights going on and off, mattresses tipping, tapping sounds on metal bed base - always in threes. We were young and stupid. It is not good to play around with what is beyond our understanding.
What was intriguing is that we were a small group of young people whose only connection was that we were all staying in the same guesthouse in a foreign city. We were from U.S., Australia, England and Holland, had been in the city for only a few days and knew virtually nothing about each other.
The message we received urged us to go to an ancient building in the same street as our guesthouse, the existence of which we were all totally unaware at the time. I will not go into other details of the message. There was nothing threatening in it but we were wrong to interrupt the "seance" abruptly.