Shaking the Habitual Diaries". The album's second single, "A Tooth for an Eye", was released on 18 February 2013, for which a music video was directed by Roxy Farhat and Kakan Hermansson. The duo embarked upon the Shaking the Habitual Tour in support of the album, starting in Bremen, Germany on 26 April 2013. On 18 April 2011, it was announced that The Knife was recording a new album, initially set to be released in 2012, through a post on the duo's website about the housing rights of Romani people in Rome. "Shaking the Habitual" was officially announced on 12 December 2012, along
Bruxism grinding. The cause of bruxism is largely unknown, but it is generally accepted to have multiple possible causes. Bruxism is a parafunctional activity, but it is debated whether this represents a subconscious habit or is entirely involuntary. The relative importance of the various identified possible causative factors is also debated. Awake bruxism is thought to be usually semivoluntary, and often associated with stress caused by family responsibilities or work pressures. Some suggest that in children, bruxism may occasionally represent a response to earache or teething. Awake bruxism usually involves clenching (sometimes the term "awake clenching" is used instead of awake