Found these videos interesting, slightly annoying as they point out the limitations in the design of my own B1s, but then again nothing is perfect. G1 s are maybe closer to perfect.
https://m.youtube.com/watch?v=KNHwRpkyOZ4
https://m.youtube.com/watch?v=YB_Bp_rR-bk
https://m.youtube.com/watch?v=KNHwRpkyOZ4
https://m.youtube.com/watch?v=YB_Bp_rR-bk