Again, this is not very different from taking out silicone butt plugs. Although, since the metal is much firmer than silicone, I would still exercise some extra caution during removal. Make sure there's enough lube on the area. Try slowly pulling the plug out by the base or handle while you gently push the plug out with your sphincter. Go slow, breathe, and don't try to force it our with your hands until your anus is comfortable.