Which weapon did Aftab use to dismember Shraddha’s body?

Aftab Poonawala & Shraddha Walkar case | Aftab was asked during the narco test, ‘Did anyone help you in killing Shraddha?’ Aftab said, ‘No, I killed Shraddha alone’. I killed Shraddha in a fit of rage and then cut her body into pieces. After that I threw Shraddha’s head in Mehrauli forest, Aftab also said.