Perform supinated pull-ups.
Execute them with a fast cadence, so that when you explosively pull up your hands separate from the bar for a moment.
Remember to complete the full range of motion.
dorsals · biceps · chest · triceps
triceps · chest · biceps · dorsals
triceps · chest · biceps · dorsals
biceps · dorsals
triceps · chest · biceps · dorsals · shoulders · core
fullbody