(a) Any locksmithing device is nonmailable mail, shall not be carried or delivered by mail, and shall be disposed of as the Postal Service directs, unless such device is mailed to-
(1) a lock manufacturer or distributor;
(2) a bona fide locksmith;
(3) a bona fide repossessor; or
(4) a motor vehicle manufacturer or dealer.
(b) For the purpose of this section, "locksmithing device" means-
(1) a device or tool (other than a key) designed to manipulate the tumblers in a lock into the unlocked position through the keyway of such lock;
(2) a device or tool (other than a key or a device or tool under paragraph (1)) designed for the unauthorized opening or bypassing of a lock or similar security device; and
(3) a device or tool designed for making an impression of a key or similar security device to duplicate such key or device.
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