Ken Roczen has just uploaded a video clip that shows the surgeon at work on his arm.

The video on Instagram, which you can see below, makes for gruesome viewing and we suggest you only hit play if you’ve got a strong constitution.

Along with the video, Kenny showed his willpower to recover with the message to his fans: “This arm will be raised the highest after my next win #dontcallitacomeback.”

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This arm will be raised the highest after my next win. #dontcallitacomeback

A post shared by Ken Roczen (@kenroczen94) on