Question for right handed one handers

[ElderKingpin]

When i do R turns its really awkward, i either have to flick the bottom so it turns or bring my entire thumb up and bring it down, same thing with U' its just really awkward, how do you guys do it?

 

[mazei]

Regrip so that your R is U and your U' is L'

 

[blade740]

or do l instead