@g_d_cohen @vickitheobald83 @nonleaguecrowd @ollie_bayliss @fa @nl_matters @nonleaguedayuk @basepyramid technically a  will talk you through its use. 

however i would recommend anyone who is expected to use any first aid to have trained in its use. in the panic of an emergency it’s always good to have knowledge and experience in what will be happening