The Vintage Blown Clear Glass Medical Suction Cup Therapy Cloche is a rare and collectible piece from the pre-1930 era. This 3.5-inch cloche was used for medical therapy, specifically for suctioning purposes. The delicate craftsmanship of the blown glass and its historical significance make it a valuable addition to any collection of medical antiques. This item serves as a unique reminder of the medical practices of that time period and showcases the artistry of medical tools from the past.