According Mering Ngo, besides there is no successor to preserve the tradition of ear length, is also not all groups or sub tribe of Dayak in Kalimantan, have a long tradition of this ear. In West Kalimantan, for example, the tradition of ear length, among others, known only among the Dayak Iban, Kayan, Park, and Dayak Punan. This tradition is only valid in the most remote areas, such as in the Kapuas Hulu regency.