Rekeyable lock assembly with blown cylinder protection

A method of rekeying a rekeyable lock cylinder, the method comprising the steps of:

• providing a rekeyable lock cylinder including a plug body with a keyway opening along a longitudinal axis and a rekeying feature, the plug body including a tool-receiving aperture;
• inserting a first key in a home position of the keyway opening;
• rotating the plug body from the home position to a first position by rotating the first key;
• inserting a tool in the tool-receiving aperture;
• removing the first key from the keyway opening;
• inserting a second key in the keyway opening, wherein at least a portion of the rekeying feature obstructs rekeying of the lock cylinder until the second key is fully inserted into the keyway opening;
• and
• upon fully inserting the second key into the keyway opening, rotating the plug body away from the first position, thereby rekeying the rekeyable lock cylinder to the second key.