Jeffrey Koelewijn's Videos 1224 videos
Improvised grip training with the left and right hand, using a clamp.
  • 21 Jun 2020
  • 2
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Right hand improvised finger training, using a small clamp.
  • 21 Jun 2020
  • 2
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Improvised finger training with a small clamp.
  • 21 Jun 2020
  • 2
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Crowbar, improvised weapons training.
  • 21 Jun 2020
  • 2
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Flattening empty metalic objects with hammer fists.
  • 21 Jun 2020
  • 4
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Flattening empty cans with palm blows, strikes.
  • 21 Jun 2020
  • 2
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10 KG plate front raise hold and twisting (driver). JK
  • 20 Jun 2020
  • 2
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2,5 kilogram + 0,5 kilogram horizontal plate grip holds.
  • 20 Jun 2020
  • 2
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Old time strongman bending 8 mm thick steel, quit fast. Jef Koelewijn
  • 20 Jun 2020
  • 2
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Old time strongman bending 8 mm thick steel. JK
  • 20 Jun 2020
  • 2
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Military shovel improvised weapons training 2 and 3.
  • 20 Jun 2020
  • 2
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Two hard military shovel blade throws.
  • 19 Jun 2020
  • 2
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Basic military shovel throwing training outside in the outdoor.
  • 19 Jun 2020
  • 2
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Fist pushes against the heavybag with the left fist, the right fist and with both fists.
  • 19 Jun 2020
  • 0
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Bashing, hitting the pectoralis muscles video 2.
  • 19 Jun 2020
  • 0
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Jef Koelewijn (JK), MMA (Mixed Martial Arts) kicking training movie.
  • 19 Jun 2020
  • 5
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MMA (Mixed Martial Arts), kickboxing kicks.
  • 18 Jun 2020
  • 8
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Breaking pieces of ceramic with stamping kicks. JK
  • 18 Jun 2020
  • 0
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