If a wig has any handmade components, it is more expensive than one with none  Similarly, a made-to-measure wig ranges from medium-priced to expensive  Handmade foundations are never found on wigs that do not use human hair  Furthermore, any wig that contains human hair should be dry-cleaned
So all made-to-measure wigs should be dry-cleaned
Any wig whose price falls in the medium-priced to expensive range has a handmade foundation.