I showed how the slider works in the video about modifications to Gates tripod. I do not have a video demonstrating how it works underwater. I just push or pull the housing, while holding a tripod in place. As I mentioned before, it was not very smooth. That is why I am looking for an improvement. Most of my macro and super macro clips shot in Alor, Anilao, Tulamben and Amed in the second half of 2023 and 2024 are shut with this setup. Here the link to the one of the latest videos: