More about capping
Here is a Japanese indigo/white kimono with capped petals in the flowers. Boshi means hat or maybe cap in Japanese and is their term for this kind of shibori.
INDIGO SHIBORI COTTON YUKATA AKITA, LATE 19C/EARLY 20C, UNUSEDTECHNIQUES: BOSHI AND ORI-NUIPATTERN: PEONIES AND LATTICE
The lines or lattice is made by ori-nui shibori, or hand stitching on a fold.