How to make my Minecraft laggier?

Added (1). So pretty much I need my minecraft to be below or equal to 20 fps for something my friend wants, halp

Jonathan 21.01.2016

Turn up all the render settings and turn on vsync

Billy 21.01.2016

Tried it, but i need to to look bad anyways. I guess potato < my pc. Lol

I figured it out, i got some mod called optifine and put a framerate limit.

Jonathan 21.01.2016

You trying to troll people on a server?

Find something better to do with your time.

jared 21.01.2016