Thanks to an impassioned entreaty from Natalie (of the CTDA, I am guessing), I managed to track down the elusive source of the Perkins Tailoring Devices. The concept behind these devices are not new- this shoulder incline device dates to 1934 and this one was developed in Russia in the 70s These, however, only measure the slope of the shoulder. The full; kit of Perkins devices also include in incline device to measure the prominenceRead More