Gomu Gomu no Human Knot!
So Luffy herd that stretchy people like himself are used to do human pretzels! He had no idea what a human pretzel is supposed to look like so he improvised :D
Next project: Monkey Knot!
Good luck XD
What do you think? 😄
Yeah, I'm surprised in so many episodes he never did any kind of contortion-like poses even as a joke, even though he easily could sleep in a triplefold or nap with his feet behind his head XD
¯\_(ツ)_/¯