I'm a student studying sound and i and recording sounds this is one of the recordings. This was recorded by opening and closing a small container near a microphone.
Curtains being opened and closed. A loud, scratching sound from curtains moving on their rails. Recorded with a zoom h6 and stereo microphone (rode ntg2).
A water bubble made with air-filled bottleunder water of a sinkthis one is bigger with some sparklingrecorded with sony md recorder and stereo microphone.