Bianca Belair saw Mandy Rose use the hair whip.
Last night on Raw, the six women competing in Sunday's elimination chamber match were in a six-woman tag team match. During the match, Mandy Rose got a reaction from the crowd and commentary with her hair whip on Bayley. A WWE twitter account posted a GIF of the move.
NXT's Bianca Belair made note of the hair whip. Belair wears an extremely long ponytail in the ring. Her hair is often part of her offense. She tweeted to make claim to ownership of the hair whip.
Rose responded quickly by accusing Belair of using a hair piece as a weapon. Belair was quick with her retort by calling Rose fake in general and then posted a picture of when she used her hair whip on Rose in NXT.