The distinctive shape of the scallop shell, full of allegorical and historical symbolism–of fertility, spring, new life, music–that often appears in artistic, textile, furniture, accessories and architectural decorative motifs. The scallop shell has long been associated with St James and is the symbol carried along the pilgrimage route, the camino de St , Jacques, to Santiago de Compostella.
In sewing terms, scalloped edgings are reminiscent of the shell’s undulating edge and are made of rows of slightly less, or more than semi-circlular curves. They are used on the hems of curtains, blinds, cushions, loose covers and lampshades.
Scalloped hemming is especially used for very fine materials – the hem is rolled between the fingers are caught down every 8- 10 mm forming mini scallop shapes.