Crab Game jump in lava/water glitch tutorial in discription

you have to bind jump to your mouse wheel and then if you fall into water you can use your mouse wheel and you can jump in the water and keep bouncing you get so high and can get to other parts of the map as shown here (works the same with lava) (and some maps the lava/water behave differently im not entirely sure how or why this works but it does lol have fun with it)