Not funny but good

It's like the Sunflower Manual, first, you have to cut that off

It is a tiny bit funny at the end

it's pretty funny

kinda funny

Makes your weakness as your advantage

Lesson of the story cut off your arm to be better at judo. #lifehacks

Yeah but that doesn't really make sense,
Cuz if grabbing the left arm is able to stop it, means that the left arm is essential in the move, therefore he wouldn't be able to do it without the left arm in the first place.
Amirite?

It’s not funny even one bit.