I Bought Some Title Boxing Videos And I Think ive Inproved Alot

Before The Title Boxing Videos, And The Tips From These People On This Site
http://youtube.com/watch?v=793JdIWq3mU

After The Title Boxing Videos, And The Tips From The People
http://youtube.com/watch?v=w-FB_wI9fik

I Still Need To Do Alot Of Work But Its A Start Go Check It Out And My Other Videos
All You Trainers Out There Tell Me What Im Doing Wrong And How To Improve It Please