This is what I did, when I did a PL meet with the strict curl.
Background , I'm a little older(56) and compete 1-2x/ year in local fundraising type meets . Raw and no drugs for me ( not judging). I ramped my 351 to my goal lifts over a 16-18 week course.
For the curl. 2x/ week. Day 1 was 12, 8,6,4,2,2,then 3x6 hammer curls, with a moderate weight.
Day 2 was 5x5 then 1-2x3 depending on how I felt. Then some DB pronation/supination forearm work 1-2x 10 again moderate.
Day 2 was the EZ curl bar .
I kept rows to 5x10 and tried to really avoid the bicep on the movement so the weight was lower.
I did CG BP or floor press as my 2nd BP movement and 5x5. Some triceps pushdowns 1-2 x15-20 at the end again easy weight.
I did band pull aparts 30-50 every training day to avoid tendinitis , again easy.
Practice technique on the heavy sets. Really grip the floor with your toes. Brace your entire body and get as much air in as you can ( air, brace , toes is the order . I used a belt for the top sets and chalk really helps.
Have fun, enjoy your training. Block out anything negative in life and training, it comes from the insecurity of others.