Ponyville has a unique method of punishing ponies for misdemeanors: They are locked in the stocks from sunrise to sunset and made available for "public use". But try as they might, sometimes even our favorite heroes end up in the stocks.

All chapters contain "public use" kink (DUH).
Chapter 1: Rainbow dash, Spike, Thunderlane, Gallus, Smolder. Contains anal, M/F, and M/F/F, depending on how old you think Gallus and Smolder are there might be foalcon.
Chapter 2: Applejack, Pokey Pierce, Filthy Rich, Big Mac. Contains large insertion, M/F, and incest.
Chapter 3: Pinkie, Carrot Cake, Cup Cake, Vinyl Scratch (futa), Mudbriar. Contains M/F, M/F/F, Futa/F, anal, and swinging.
Chapter 4: Rarity, Fleur de Lis, Fancy Pants, Feather Bangs, Party Favor, Spike. Contains M/F, M/F/F, M/M/F, F/F/F, and a refined, dignified mare getting absolutely wrecked.
Chapter 5: Twilight and Rockhoof. Contains M/F, large insertion and cumflation.
Chapter 6: Twilight and Soarin, etc. Contains M/M/M/M/M/M/F, gangbang, mind-break, and cartoonish ear-fucking.
Chapter 7: Fluttershy and Rainbow Dash. Contains F/Futa.
Chapter 8: Fluttershy's grand futa finale with the Main 6! Contains F/Futa, and a Gen 5 epilogue.