STEP 1: install tampermonkey :
STEP 2: install script which is available here : https://greasyfork.org/en/scripts/387578-booru-frame-control while installing the script it will open tampermonkey, you need to click install again
STEP 3: open any video from sakugabooru - you’ll be able to see scrub frame buttons below the player, use that or use d and f to scrub
Author of the script: https://twitter.com/NikuKiKai
Please thank the man
Happy learning everyone!