article_snippet.sent: Scroll down for video .
article_snippet.sent: Syrian activist group claim imprisoned women are tortured using a device known as 'the biter', a iron bar with sharp jagged edges.
article_snippet.sent: Placed on the helpless woman’s chest, the serrated edges of the bar are pressed into the woman's skin, causing deep lacerations.
article_snippet.sent: Such is the violence of the torture, some women reportedly slip into unconsciousness due to the pain.
article_snippet.sent: In 2014, Aqsa Mahmood posted this photograph of her holding the severed head of a Syrian man executed for criminal acts in Syria as young children looked on .