Playbooks

Read Option out of Shotgun Ace Slot is a true zone read run with the QB reading the backside edge defender while the HB crosses in front for the handoff or keeper look. The offensive line blocks zone away from the mesh point, and the two split wide receivers stay uninvolved as pure decoys to hold the corners deep. This is a run play, not a pass concept, so there are no route combos to beat man or zone coverage, the entire design is built on the QB's give or keep decision at the mesh.
Watch the read defender's technique before the snap. If he lines up wide and squeezed hard inside, he is designed to be optioned off, so the offense wants him to bite. Stacked boxes with eight defenders in the box shut this run down fast since there is no extra gap advantage created by the option element. User-controlled defensive ends who sit and stay disciplined on the mesh point without committing will erase both the give and the keep lanes. Linebacker depth matters here. Linebackers sitting too far off the line get gashed on the cutback if the interior double teams win. Overload blitzes to the play side that bring an extra defender off the edge can force a bad pull decision, so track blitz timing and be ready to get the ball out on the mesh quickly rather than holding it.
Use Read Option on early downs (1st and 10 or 2nd and short) when the defense shows a light box with six or fewer defenders in the run fit.
Pre-snap, check the defensive end or outside linebacker on the read side. If he crashes hard down the line, pull the ball and keep it outside for a explosive gain.
Pair this with QB Power and Inside Zone from the same Ace Slot set so the defense cannot key on run direction based on formation alone.
Motion is not built into this play, so use pre-snap shifts or a quick audible if you see a heavy blitz look showing extra defenders stacked to the play side.
Sequence Read Option early in a drive to bait aggressive defenders into crashing, then dial up RPO Alert Bubble or PA Read once you have their edge defender conditioned to attack the mesh.