@neurobashing @jwz @cstross all it would take is the trigger being metallic enough or wobbled around enough to fire.
also safeties are not designed to deal with magnet fields strong enough to throw chairs. in this video they're trying to pull a wrench out and it holds vs 500lb of pull! https://www.youtube.com/watch?v=6BBx8BwLhqg&t=98s