There's also city code to think about:
http://www.cityofhastings.org/city_code/chapter21.pdf21-101. Carrying concealed weapons. No person in the City shall wear under his or her clothes, or conceal about his or her person, or display in a threatening manner, any dangerous or deadly weapon including, including but not limited to, any pistol, revolver, sling shot, cross-knuckles or knuckles of lead, brass or other meta l, or any bowie knife, or any knife resembling a bowie knife, or any knife with a switch-blade or device whereby the blade or blades can be opened by a flick of a button, pressure on the handle or other mechanical contrivance, or a pocket knife having a blade of more than three inches in length. No thing in this section shall prohibit the carrying of a concealed handgun in a manner otherwise consistent with Neb. Rev. St. § 69-2427 et. seq., known as the Concealed Handgun Permit Act or 18 United States Code 926, known as the Law Enforcement Officer’s Safety A
Kent