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rimples, creases, wrinkles, furrows, puckers, crinkles, corrugation, crimps, gathers, folds, pleats, ridges, grooves, tucks, crumples, rumples, ruffles, overlaps, turns, bends, layers, plaits, ply, flection, flexures, lapels, cockles, gatherings, shirrings, smocking, plicas, laps, plicatures, rucks, ruches, convolution, plications, circumvolutions, loops, knife-edges, lines, bunches, rugosity, scars, indentation, clefts, sulci, ripples, waves, channels … more