Are there any rules defining a wedding band?

Are there any rules defining a wedding band?

John Cordova (Vice President of Human Resources, Robbins Bros.) gives expert video advice on: Are there any rules defining a wedding band?; What is a 'comfort fit' wedding ring?; What is a 'flat band' wedding ring? and more...

There are no rules that define a wedding band, other than wearing it next to the engagement ring on the engagement ring finger. Anything, any ring, any style that is worn in that capacity can be considered a wedding band.