I couldn't tell from the clips I saw but it looks like Sam is using the Head Extreme Touch PJ.
I went to her message board at TF and she lost her match today pretty badly to Sevastova. But they all were talking about her new head racquet, although no one had said which one it was besides it being black and yellow.
I went to her message board at TF and she lost her match today pretty badly to Sevastova. But they all were talking about her new head racquet, although no one had said which one it was besides it being black and yellow.