Theres no wrong answer here which means no right answer either :) But it gets you to think.
For me and for initial set that I consider the hardest I chalk the bells. If I pick a day when I lift then 24 kgs and yes I do work less then 24 kgs sometimes, I typically don't use it if I'm working less then a certain time;). Give me your answers!
Sunday - July 8
3 days ago