IO-C / IO Equipped Clamp
Mounting Clamp with IO Quick‑Change Coupler.

IO‑C mounting clamps are purpose‑built for attaching Triad‑Orbit IO‑equipped adapters, boom arms, tablet holders and assorted accessories to stands, trusses, tabletops and other parallel surfaces.
 
Refer to the Triad-Orbit Systems Building Guide for more potential applications.
https://www.triad-orbit.com/wp-content/uploads/2020/04/Triad-Orbit-Stand-Systems-Builders-Guide-2020-1_compressed.pdf