Neotech Pad-It Accordion Straps – Thomann United States
Extra Long Accordion Shoulder Straps 45 mm wide padding Tan Leather and Velvet Suitable for Small Accordions up to 72 Bass and 8, 12 or 18 bass Melodeons
Amazon.com: Accordion Straps,Adjustable PU Leather Accordion Shoulder Straps Soft Padded Accordion Harness Straps Belt for 16-120 Bass : Musical Instruments
Amazon.com: Vintage Frogano Accordion made in Italy 120 Bass Rare Acordeon New Straps 1898, Rich and Powerful Sound! Used Musical Instrument for Adults : Musical Instruments
Amazon.com: MUSIC FIRST Black Genuine Leather Super Wide Thick Comfortable 96 120 BASS Accordion Shoulder Strap Set Accordion Belt : Musical Instruments