The 3 Legged Thing Airhed Vision is a well made and very smooth pan-and-tilt head that’s useful for photographers as well as video. It’s just a shame you need a hex key to rotate the camera clamp.
Cutting Edge Engineering Australia on MSN

Building a rotary ground clamp from scratch

See how a shop-made rotary ground clamp is designed and built using simple materials and smart fabrication choices. Why can custom tools sometimes outperform store-bought ones?