Ouija Boards?

E • Animal lover, artist, & wannabe chef. 18/CA 🦋💗🐺✨♏️
Hiya ladies,
Today my little brothers and boyfriend and I played with an Ouija board for my first time.  I'm not a firm believer in these kinds of things, but there is obviously something there, whether it is spiritual or psychological. 
It was a fun thing at first, because it was stormy outside and the power was out and we had candles going and everything. We had researched Ouija boards before and we made sure to make it a "safe" session by stating no negative energies would be allowed. 
However, we started speaking to this man named "Max" and he would answer our yes or no questions but every time we asked something else he would spell out "amnz" (not always in that order). I knew patterns can slmetimes mean things so after we said goodbye I looked it up. 
Those letters represent the four corners of the board, which is a sign something evil is present and trying to escape (apparently). A few minutes later we went to use the board again but the planchette continued to spell out "amnz" and we asked if it was "Max" and got a yes. So we said goodbye and put the board away after that. 
But now I'm really interested in Ouija boards, and I want to use it again, but I'm wondering if any of y'all have experience with these kinds of things? And if you do, what do you say? Any advice? Should I use the board again anytime soon?