Fighting sports Defence training and forearm toughening 6.
Toughening the sides of my fists 3. Jef Koelewijn (JK)
JK chest beating 2019 part 33. JK
Bending two metalic caps at the same time.
Sneaking and balancing training 2020. JK
Bench press, Powerlifting training on 03-01-2020.
Breaking up and loosening hardened sand with the right hand.
JK chest beating 2019 part 32.
JK chest beating 2019 part 31.
Old time strongman Bending a 2.7 x 55 mm iron nail 2.