50+ pages outlining several methods of creating corset bone casings. Yes, there are several methods outlined in this PDF., This down loadable PDF
Cicatrix Design — LiveJournal
How to Make Corset Bone Casings
Corset Modelo Overbust com bojo em camada única de renda guipuire - Rose Sathler
Products
Laughing Moon Mercantile 100 - GBACG - the Greater Bay Area Costumers Guild
Casing Tape for Boning - 1/2 (13mm) wide
PY03 Underbust with Contrast Casings - Puimond Progressive Corset Design
Heavy Duty Women's Under Bust Waist Trainer Double Steel Boned Holographic PVC Corset - Canada
The Purple Silk Edwardian Corset – Historical Sewing
Book on How to Make Corsets