; or (ii) in the case of a motor vehicle without a compartment separate from the passenger compartment, is contained in a locked container other than the glove compartment or console; and (B) in the case of transport by means other than a motor vehicle, including any transport over land or on or through water, the knife is contained in a locked container. (2) Limitation This subsection shall not apply to the transport of a knife or tool in the cabin of a passenger aircraft subject to the rules and regulations of the Transportation Security Administration. (c) Emergency knives (1) In general A person— (A) may carry in the passenger compartment of a mode of transportation a knife or tool— (i) the blades of which consist only of a blunt tipped safety blade, a guarded blade, or both; and (ii) that is specifically designed for enabling escape in an emergency by cutting safety belts