Spirella Catalogue (1933) — Page 61 (1933)
“ Through the combined adjustment this series is of special value where spinal support is needed. The front lacing adjustment regulates the abdominal control and aids in the correction of the conditions of abdominal flesh, "floating" kidney, and prolapsed internal organs. The back lacing adjustment with the lower pull- loop is corrective for deep back curve and flesh low in back. The combined adjustment together with the abdominal control makes these garments particularly good in the correction of poise. ”
