1. Visit some of the sites below 
2. Have an open tab on https://twitter.com/settings/applications 
3. Now what you want to do is sing into some of the sites wiht your twitter account 
4. Once you click "Authorize App", immediately go on https://twitter.com/settings/applications and revoke the access. (Be sure to be quick or it will follow 1 or 2 people and post on your Twitter.) 
5. Rinse and repeat 
www.bestfollowers.org 
www.bulkfollowers.co 
www.followport.us 
www.gainfollowers.info 
www.getnewfollowers.us 
www.kingfollow.net 
www.livefollowers.us 
www.morefollowers.me 
www.newfollowers.me 
www.socialexchanger.us