Hi Lori
Regarding your corset queries,try staylace.com-the website of the Long Island Staylace Association-you may get all the info you need there.
Just a hint -I use a waist cincher with a long line bra over the top to cover any bulge,then a full slip over the top to achieve a smooth line.If I am to wear a corset for any length of time,I usually wear another slip underneath the corset as a liner to prevent any chafing which may occur.
BTW,I guess you know to buy approx three to four inches smaller than your actual waist size.
Hope this helps
Hugz
Lee