Dhutanga
Dhutanga (Pali dhutaṅga, Sinhala: ධුතාඞ්ග) or dhūtaguṇa (Sanskrit) is a group of austerities or ascetic practices taught in Buddhism. The Theravada tradition teaches a set of thirteen dhutangas, while Mahayana Buddhist sources teach a set of twelve dhūtaguṇas.