Spirella Catalogue (1933) — Page 69 (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 if not too excessive, "floating" kidney, and prolapsed internal organs. The back lacing adjustment with the lower pull-loop is corrective for deep back curve and flesh low on back hips. The combined adjustment, together with the abdominal control, makes these garments particularly good in the correction of poise. ”
