US Patent 10945548 Hangable apparatus and systems and methods therefor

A track hanger (100) includes a hook (103) and an extension (104), a base member (102), and a key (403). The key is detachable from the hook, and the base member is detachable from the extension. The key can include a first major surface (401) and a second major surface (402). The first major surface can define one or more barbs (404) that facilitate one-way insertion of the key into a track (106).