sub 6

I generally average around 11 to 12 seconds but it was extremely unexpected to get a sub 6 solve and the last layer skip Watch the video The scramble was very easy 5.95 F2 L U' B2 L2 U2 R2 B R U2 F2 U2 F' R2 F L2 U2 B' U2 D2 @2024-06-07 15:59:12

How to Sub 6 on 2x2x2? I average around 8-10 seconds with OLL+PBL... is it necesary to learn CLL to sub 6.... also... de you recomend FirstLayer+CLL or Guimond?