Originally Posted By: LuisHunter1
Have you ever seen this type of rib extension third bite?


Yes. Some very common American doubles (Stevens, Lefever Nitro Special) use a fork-like rib extension. Expect some British doubles may as well, although I can't recall ever having seen it on a Scott, a Webley, or a Webley & Scott. But that's covering a lot of territory, and someone else may well have seen that particular type of extension.