Hercules Announces New Ukulele Stand Series Taipei, Taiwan - October, 2019 | | Ukulele Stands Hercules announced today a new ukulele stand series that you can trust to display and protect your prize ukuleles. For decades, Hercules Stands has offered the most advanced protection for countless string instruments around the world with their innovative Auto Grip System (AGS) yoke. The AGS safely locks in, supports, and protects the instrument from damage that could otherwise happen by leaving an instrument unsecured.