What is a 'built-in crinoline'?

What is a 'built-in crinoline'?

Sally Grigsby (Owner of Belle Bridal) gives expert video advice on: What are 'finished seams'?; What is a 'built-in crinoline'?; What is a 'true-crinoline'? and more...

A built-in crinoline is the tool or the petticoat that goes underneath the gown. A true crinoline has boning in it to hold the gown out to the fullest extent.