A hearing device in accordance with at least one of the present inventions includes a receiver assembly and a retainer assembly, including an anchor and a flexible retainer strip extending from the anchor, configured to be mounted onto the receiver assembly in a predetermined orientation relative to the receiver assembly. The receiver assembly and the retainer assembly include respective elements that cooperate with one another to provide a visible and/or tactile indication that the anchor is in the predetermined orientation when the anchor is in the predetermined orientation and that the anchor is not in predetermined orientation when the anchor is in an orientation other than the predetermined orientation.