here are some short videos taken on my phone, looking through a pocket microscope to draw with suit fibres, saliva, watercolour on watercolour paper
https://tinyurl.com/yaupz5x3
https://drive.google.com/file/d/1amYSP04j69NNIAfPpXugt25sFnLGQhX2/view?ts=5c196e4e