Playbooks

Nickel Over is a defensive set, not an offensive one, and that changes how you should read every entry in the play list. The alignment shifts the defensive line strength toward the offense's tight end side (the "Over" front), putting the 3 technique tackle and the strongside end to the closed side while the weakside end works one on one against the offensive tackle. You get five defensive backs (three cornerbacks, two safeties) plus two linebackers and four down linemen, so you are built to handle 11 personnel spread looks without sacrificing edge integrity against the run.
What separates Over from Nickel Double A Gap, Nickel 3-3-5, or Nickel Dime looks is the front's run fit and the linebacker depth. Because the line is already shaded, the Mike and Will are not stacked over the guards, which means A gap pressure is less natural here but B gap and edge pressure comes cleaner. The play list reflects that: Overload Blitz, Edge Blitz 3, Edge Blitz 0, and Over Storm Brave all attack from the shaded side or off the weak edge, while Nickel Blitz 2, Nickel Blitz 3, and Dbl Safety Blitz bring the fifth and sixth rusher from the slot and secondary.
The coverage inventory is where Nickel Over earns its snaps in competitive play. You have every shell in the game represented: Cover 1 Robber Press, Cover 1 Hole Press, and Cover 1 Contain for man principles, Cover 3 Match, Cov 3 Buzz Match WK, and Cover 3 Buzz Mable for pattern match zone, Cover 4 Quarters, Cover 4 Palms, and Cover 4 Drop Field for two high, plus Tampa 2, Cover 2 Invert, and Cover 6 variants. Bracket Switch Willie, Double Bracket, Double Bracket Switch, and Cover 6 Willie let you double the offense's number one target and force the quarterback off his first read entirely, which is how you neutralize a single elite receiver in a spread offense.
Use Bracket Switch Willie or Double Bracket on third down when you have already identified your opponent's primary target, then user the free safety or the underneath hole player to rob whatever the number two receiver runs
Show the same two high shell out of Cover 4 Quarters, Cover 6, and Cover 2 Invert so your opponent cannot tell coverage from alignment, then rotate post snap by taking the deep safety and reading the quarterback's shoulders
Save Overload Blitz and Over Storm Brave for second and long or after the offense has shown a slide protection tendency, and manually shade coverage inside so the hot route to the flat does not beat the pressure
Pair Cover 3 Match or Cov 3 Buzz Match WK with press on the outside corners to disrupt timing on spacing concepts, and user the buzz safety in the middle to take away the dig
If your opponent motions to trips or empty, check to Cover 1 Hole Press or Cov 2 Man Contain rather than staying in a bracket call, because bracket coverage against three to one side leaves your leverage inverted
Do not stay in Nickel Over against 12 personnel on short yardage, audible out or accept that your slot corner is the target on the tight end seam