Kit Kat bars sold in the U.S. in later decades — the ‘50s through the early ‘70s — more readily embraced the term “finger” on their wrappers, the site’s photos appear to show.

Kit Kat bars sold in the U.S. in later decades — the ‘50s through the early ‘70s — more readily embraced the term “finger” on their wrappers, the site’s photos appear to show.

Kit Kat bars sold in the U.S. in later decades — the ‘50s through the early ‘70s — more readily embraced the term “finger” on their wrappers, the site’s photos appear to show.

The lyrics to the decades-old Kit Kat jingle would suggest that each wafer segment is known as a “piece.” But strictly speaking, that’s not the official term.

Kit Kat bars sold in the U.S. in later decades — the ‘50s through the early ‘70s — more readily embraced the term “finger” on their wrappers, the site’s photos appear to show.

The lyrics to the decades-old Kit Kat jingle would suggest that each wafer segment is known as a “piece.” But strictly speaking, that’s not the official term.