A unique combination of yoga chair and backbender, the clip-on backbend extension enables the Iyoga chair to be used for supported Viparita Dandasana. The combination of chair, backbend attachment and block has been designed to support the body in an almost identical curve to the well-known Iyengar backbend or whale bench. The extension can also be used alone for supported Matsyasana. Black powder coated finish.