Concealed carry

Where do you guys keep your firearms on your person

  1. At the back
  2. Side of your waist (like police)
  3. Strapped to your leg
  4. In the front by your stomach

I want to know the best most comfortable way to carry a concealed firearm safely and comfortably. Also not from America don’t know if it’s allowed there. Also please mention any other methods of concealed carrying if I missed any. Also want to know what’s the worst way to conceal carry cause I am curious