Sorry, you were asking about the Saddle feathering, there's a picture that shows where the Saddle & Hackle feathers are. I don't know how to bring it up Hackle is the thin, streaming feathers that Roos get on their neck. Saddle is the thin, streaming feathering at the base of their tail. There's pictures, I just don't know how to find them You may want to try searching, I'm sure pictures are on here....
External Anatomy of Poultry Kept on Small or Backyard Flocks: Chicken
"As Figure 1 shows, both male and female chickens have these basic parts. The differences between males and females include the size of the comb and wattles, the size of the spurs (in older birds), and the characteristics of the hackle and cape feathers. Hackle and cape feathers of males have pointed ends, whereas those of females have rounder ends. In addition, males have sickle feathers in their tails and hackle feathers on their backs, and females do not. ..."