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Instructional videos
 | Mariusz Grzywinski Black belt 2nd degree |
Winter Camp 2020: How to make someone unbalanced and easier to take down with Mariusz Grzywinski
| Mariusz Grzywinski Black belt 2nd degree |
Winter Camp 2019: Back attacks from different concepts with Mariusz Grzywinski
| Mariusz Grzywinski Black belt 2nd degree |
Winter Camp 2019: Upside down armbar concepts with Mariusz Grzywinski
| Mariusz Grzywinski Black belt 2nd degree |
Winter Camp 2020: Open guard/ RDLR /DLR /single X transition sweeps with Mariusz Grzywinski
