a padded board which allows you to wrap a suit, two at the most, around it to prevent shifting and wrinkling

Addition to luggage that allows suits, dresses or other garments to be packed separately. Style varies, and many are removable.

An Upright Case/Pullman with an internal compartment or hanger with padded bars that will hold suits, dresses and other garments in place when the bag is packed to reduce wrinkling.