Runway On Fire

Step 10: Corset 5

Then I Inserted bones. The lengths of them will depend on your torso.
You want your bones to go right up to your seam allowance to really
keep your corset taught. I tend to use 1/4 inch spiral steel on the sides and bust
and 1/2 inch flat steel on the center front seam.

This gives you a nice flat shape in the front while giving you a little bend in the waist.