One of they guys i play with uses weighted and underwighted balls and reg balls and throws em in a certain order. That and lifting and throwing long toss regularly.
Lol. Arm speed is natural. Long toss correctly is the only way to build arm strength for velocity. Work on mechanics.. dont drag the back foot. Long toss and mechanics.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .