cubing help

This will be a thread for talking about Clock. I've seen threads like this for other events like big cubes and megaminx, but I haven't seen anything for clock so... Feel free to discuss and ask questions!

its been about 8 months since i have learnt cll in 2x2 i average sub 5 and sub 4.3 now but i am still not sub 4 which sounds embarrassing and i still don't know one look any help i would appreciate that .