Holding my breath underwater while I'm masturbating naked

Description: I love holding my breath underwater! my goal is three minutes without breathing. i train for a long time to achieve this goal. in this video i make a lot of attempts to hold my breath for almost 24 minutes. the minimum time i can hold my breath under water is about one and a half minutes! the maximum time i hold my breath under water is more than two and a half minutes. i love rubbing my pussy with my fingers while holding my breath underwater. this really turns me on.