Legal requirement to be placed on tech platforms to prevent users from seeing such ‘choking’ material Legal requirement to be placed on tech platforms to prevent users from seeing such ‘choking’ material Porn featuring strangulation or suffocation – often referred to as “choking” – is due to be criminalised, with a legal requirement placed on tech platforms to prevent UK users from seeing such material. Possessing or publishing porn featuring choking will become a criminal offence under