Found some use for 6A+B BE / RC A, B BE on hit (TGS build) :
3B, 6A+B BE or RO KK, 6A+B BE combo into PSL1 LO B (ground hit) or PSL 2 BL K, BE. That's quite gangster haha
6A+B BE in combo smash the opponent into the ground, allowing combo, when regular 6A+B is normal and AC (+ not...