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All third base coaches are going to have their own methods for giving signs. This post is not meant to tell anyone what their signs should and should not be. That's up to each and every coach. This video post is meant to pass on some do's and don'ts I either learned the hard way as a coach or saw my own coaches do when I was playing.
If you have additional tips I may have not mentioned, feel free to add them in the comments section.