FLX10 SERATO SLIPROLL 3/4 option

Hi, i have a question... I sue a FLX10 and serato.

I would like to know how to to a 3/4 loop on serato (See DJ carlo video on Djing any Genre link: https://www.youtube.com/watch?v=UUyqNDDdNn0&t=311s)

Problem is, My serato has no Loop effect to use like in the video, i was hoping to use the FLX10 onbaord SlipRoll to have the same effect but there is no 3/4 option on the FLX10. Im looking for a workaround.

I know once you plug in the FLX10 it automatically Unlocks Serato pro, but somehow i cant access the Loop function in the Serato FX. I used to have it on the Subscription pro. but thats deactivated due to the FLX10 unlocking it automatically. I currently own the 3.0.12 (3012266) version of serato.

Can anyone help?