Don't. Chewing tobacco is worst than smoking. It's an addictive drug. It has like 19 cancer causing chemicals and 4000+ more harmful chemicals. So yeah, unless you want cancer, don't chew tobacco.
Ps. People who chew tobacco long term also have rotten teeth and ugly gums
nicotine is a stimulant, and by chewing it, they are not exposing themselves to the negative respiratory effects of the smoke. It does not however eliminate the cancer risks.
Chew tobacco is like cigarettes but instead of lung disease it would give you gum disease and all. So just like cigarettes for the first time you get buzzed and all. I suggest you don't try it. I seriously don't think chewing tobacco is much better for you.