Take planks, put first one upright.



Put second plank right on top but keep one quarter of first plank free.



Break connection to ground.



Hop on top and pull up.

Thanks to monsieur caca for explaining information I couldn't formulate myself.

Originally posted by monsieur caca:

you can do this with any object, even with objectives, so you can fly the propane tanks in motivational reminder and also, you can use objects connected by physics joints to do te same, for example metal pipes that bend are attached by joints, so you can grab one segment of the pipe while standing on the other and fly

If you grab any object it becomes non-collidable for you, but it still collides with other objects. When you put something on top of object you grabbing it doesn’t go through and able to hold you therefore you lifting up yourself.

Try classic standing on object and spam jump and grab keys. It just a bit more trickier and can't go as fast sideways. Good for going straight up though.


Since objects becomes non-collidable when you grab them, you can walk through closed doors. Just grab them and walk right through sideways, because game won’t let you go, looking straight ahead.


Or you can jump and grab in air, letting gained velocity carry you right through.