@Big_Farma @sickburnbro @matty @iamthejeeves I would honestly recommend plugging the hole with a finger and holding it in place, calling emergency responders, and then screaming for someone in the crowd to bring a tampon if it kept gushing around your finger. The key is to maintain blood perfusion to the brain until you can get IV access and volume expanders in the field, somehow stop the arterial bleeding temporarily, and get the patient to an OR