@hcwewvcw02 Push press with isometrics, and slow eccentrics
Not on the same set.
Maybe tie something that weighs 5kg onto your other kettlebell and do some training with 25kg?
@vincentleo
Nothing above is going to drastically increase your workout duration.
It's bicep curls, 2 times per week.
You're varying the sets / reps / weight so you can make progress.
@vincentleo Are you only ever training biceps or you're doing a full workout with bicep training at the end? Just a bit confused reading the comments.
Here's some things you can try if it's an important goal for you.
Split your bicep training into heavy / light sessions.
On light sessions, do...