Speedrun tactic i cant find explaination of

I recently started speedrunning this game and i found a speedrunner called vysetra who used a dodge dash like move to travel faster but i can not figure out how to do it and was wondering if anyone knows i left a comment but thought i should ask here too as i havent got a response yet it is used at 0:33

Delaware, USA

This technique was pioneered by BYAkuma, and featured pretty heavily in tokoname's runs too. You can find my explanation of it here.

SpenceSpeedruns likes this
Delaware, USA

Essentially the inputs are: Back + lock-on + jump + style, and you hold back + lock-on and then mash jump + style.