I'm soon going to be taking an amtrak train! As I've only been on an amtrak once before in my life ( I think I was around 6 years old ) I was wondering if it would be safe to take just a small amount of weed and a knife in my pocket (the knife is an old pocket knife, it's not THAT big, easy to conceal, and I usually carry it everywhere), or do they do some sort of check or something of the sorts. Thanks!