I'm in Maine.
Our laws say:
No person may display in a threatening manner, or wear under his clothes or conceal about his person, any firearm, slung shot, knuckles, bowie knife, dirk, stiletto or other dangerous or deadly weapons usually employed in the attack on or defense of a person, unless excepted by a provision of law. [1985, c. 478, §2 (new).]
The provisions of this section concerning the carrying of concealed weapons do not apply to: [1985, c. 478, §2 (new).]
1. Permit issued. Firearms carried by any person to whom a valid permit to carry a concealed firearm has been issued as provided in this chapter; [1989, c. 917, §3 (amd).]
2. Disabling chemicals. Disabling chemicals as described in Title 17-A, section 1002; [1985, c. 478, §2 (new).]
3. Hunting knives. Knives used for the purposes of hunting, fishing or trapping as defined in Title 12, section 7001; [1985, c. 478, §2 (new).]