all crack is is coke a lil baking soda and water.if you got like a twenty just add a lil pinch of baking soda and one drop of water.put in a big spoon and light from the bottom.keep stirring the coke with like a nail or paper clip till it hardens.then break off a lil piece and put it on top of some weed in a bowl and smoke.hold it in for awile and your ears will surely ring