D'Addario Guitar Rest (PW-GR-01), Black | eBay
Amazon.com: Tenor TPGS+ Professional Ergonomic Guitar Rest, Guitar Lifter, Guitar Foot Stool, Footstool Strap, Professional Posa Guitar Support for Classical, Flamenco, Acoustic or Arch Top Guitar Players. : Musical Instruments
D'Addario Guitar Rest Portable Instrument Support | Sweetwater