Cubing Underwater #3 (Blind, One Handed, 4x4?)

I solve a couple types of Rubik's Cubes in various different ways, all while holding my breath underwater! Cubing Underwater #2: https://youtu.be/tTIvibmseeQ Intro Music: "Dusk" by Tobu and Syndec [NCS Release] https://youtu.be/lD4ZIzosp_c Outro Music: "Forever" by Ahxello [AirwaveMusic Release] https://youtu.be/zQ_yAbHWntc