Possible Clues:

• Colour after knotting the fabric to produce an irregular pattern
• Method of knotting and colouring to produce pattern
• Color, as a hippie's shirt
• Stain by knotting fabric to produce a pattern
• Make colorful T-shirts, in a way
• Color clothes, in a way
• Drew first two yellow patterns on cloth by this method
• Method of colouring garment in which it is knotted
• Batik kin
• Psychedelic coloration