One thing I've been noticing in movies lately is that any time someone is next to an ambulance, they have a blanket around them. Sometimes it's understandable, like if they were drowning and now they're all wet, or if they've been exposed to the cold. But other times it doesn't make sense to me. In a car wreck, have a blanket! In a fire, have a blanket! Kid gets a scrape playing on the playground, have a blanket! Look at the ambulance, have a blanket! Okay, maybe I'm getting a bit silly, but I do want to know why they do this? I'm sure there's a good reason, it just seems like paramedics have endless supplies of blankets and give them to people all the time.
The barbs are just there to hold the dart in the target's body. They won't do much lasting damage unless they hit your eye (very unlikely). It's always a good idea to have something tried on yourself before you do it to someone else (Australian cops aren't allowed to carry pepper spray until they've had it used on them so they know exactly what they're inflicting on their subject). Even though I don't carry either, I've had myself pepper sprayed and tasered and suffered no lasting effects from either. The type of taser they used had a single dart with two barbed prongs that delivered the current. I was hit the first time in my right pectorial and I was more interested in the pain from the electrical current than from the barbs. We eased it out and I barely felt it. The second one got me in the stomach and that hurt even less. I think you should be more concerned about the electrical current than the barbs.
What's your question? These are all highly toxic liquid pharmaceuticals. Those who access them do so with gloves and oftentimes an apron or gown.
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