[bulldog42]

You make a good point and all, but the double wing Estill ran is not the true double wing. It was made up by some coach in California. Im not sure of his name. The original DBW is a predominant running formation derived from the wishbone formation. Im not too familiar with the distinct history of it but I do know the double wing Estill runs is not the true DBW.

And some side notes:

Often times in Estill's offense, they wont completely down block. There is a line audible for that called 'domino'. Your BSG and BGT will pull into the hole kickout and seal respectfully.

Other then that I commend you on your intelligence of this topic. Congrats.

I haven't seen Estill just heard they were running the true double wing. Don't really know for sure. Here is a link to the Godfather of the true double wing. I think you can get videos off of that site. If you research his name some you can probably dig up playbooks videos etc. Don Markham.
http://www.coachmarkham.com/

Stray LC ran a lot of what Belfry does. A lot of people from other states call it the double dive Chuke called it Belly Read (some confusion sometimes because Belly is a staple in the WingT and a totally different play). Chuke ran a lot of Belly and short Belly which changes the aiming point for the FB and the read key for the QB. When teams overplayed that side he ran Inside Veer to the 1 tech weakside. The luxury that team had is that you couldn't bring safeties in the box because you left Parker one on one and he was arguably top 2 and definatly top 5 high school WR in KY history. I coached Gerad his Fresh year and Spence. The thing most people don't realize is Spencer Harris had more yds than Parker the year they played together but Spence never played football after that year. He went on to start Shortstop 4 years at Virginia Tech and was a team captain. He's coming back here to be a Dr soon hopefully. (just a little history for ya those guys were SO talented!).
In the early 90's when the foundation was built at LC we ran a play that looked just like Belly Read but was safer with no read. We faked fullback, T+TE blocked down and Guard kicked out playside. Fullback filled for playside pulling guard. QB faked FB and gave to the TB off tackle. Looks just like Belly read but no reading and you have a kickout block.
The nice thing about the belly read as a double option is that you don't have to pitch the ball so it's a little less dangerous. All of them have to be repped to death. Belfry runs an offense much like LC did in the late 90's. They also mix in some blast etc like the early 90's LC teams ran.
Dontae, Jason Michael and the Short's added another threat to Belly because once you started sucking in they would pull the ball from both backs and keep it around the end. It's a whole new problem to deal with when you can do that.