Nothing, you can add one hit (d/f+3+4, f,f+4 etc)

I do easy mini combo - grab, then ff1 You can do grab, then ONE

They can back roll for moves that flip over like that.

It's guaranteed yup

1+4, DF1 if you cant do HCF DF1

Do hcf df1, get the normal one out as consistently as you can. The key is to do it in one fluid motion and inputting the 1 at the exact same time as the df. Once you do that it's as simple as just doing it as fast as you can. The window is actually pretty lenient so just focus on keeping it fluid and don't try to mash it out while you're still learning it, also use input history to see where you're messing up. I managed to get it consistent in practice in about 40 minutes as a new player, still trying to work it into my actual gameplay. Hope this helps.

@@samijami869 Thank you so much big dude , I'm not new player in Tekken I just can't hit it properly since TTT2, my jack-7 & Gigas were TGO in T7. Only the Blue spark Upercutt was difficult to me to hit in a match. Well, thank you again

@@tabeticemperor1814 Thank you big man . I know the both ways & I tried to do combos with both ways & Trust me , Damage difference is huge . 1+4,DF1 gives low damage. I tried to find the handcam of "HCF DF1" but I can't. Huh , I will practice. Thanks