Amazon.com : 3 Legged Thing Lever Clamp with Compatibility for Arca-Swiss Release Plates (LV-CL) : Electronics
3 Legged Thing Lever Lock Clamp Universal Adapter LV-NKCL B&H
Amazon.com : 3 Legged Thing AirHed Pro Lever Tripod Head - 360 Degree Arca Swiss Compatible for Heavier Cameras with Detachable Lever Clamp - Tripod and Monopod Compatible - Metallic Slate Grey (AHPRO-LV-Grey) : Electronics
3 Legged Thing Universal Lever Release Clamp with 3/8 in.-16 Female Thread, Black/Copper at KEH Camera