(clip) when i accelerate sometime my guy have his 2 hands on the stick?

This is happening a lot for me and i want to know why its happening?! So sometime when i accelerate (hustle) my guy keep his 2 hands on his stick and i dont know why? And as you can see at the last second he started to accelerate. does anyone can explain me why? I want to know what i do wrong. I keep my l3 pushed in all the time and keep it straight on both clips.

this a incorrect hustle: https://www.youtube.com/watch?v=2srbG-LbNxc

this a correct hustle: https://www.youtube.com/watch?v=-SsR69SDedw

So who is the best in here to tell me what i do wrong?