Context. The pendant, designed by New York jeweler Alex Moss, does appear to be in the shape of an inverted (upside-down) cross, but there is nothing inherently "demonic" or "satanic" about it.

Dude got an upside down cross TATTED on his tongue. According to Christianity.com, this is the definition of the upside down or inverted cross: ...

The cross has deep symbolism in Christianity. You likely know that it's where Jesus died whether you go to church every Sunday, consider yourself a Christian or practice a different religion (or ...