What is square hammer meaning?

"Square Hammer" is a song by the Swedish rock band Ghost, released in 2016. The meaning behind the song's title is not entirely clear, but many fans and critics have interpreted it as a reference to the band's signature style of heavy, guitar-driven rock music. Some have also suggested that the title may be a nod to occult or mystical themes, which are often associated with Ghost's music and imagery. The song features powerful vocals, catchy riffs, and a driving rhythm section that have helped to make it one of the band's most popular tracks.