Who does the Throw in?

[zebraman]

In NFHS games we do it by the book which means that there is a switch. I can't think of any other times that we switch other than a foul can you? If I'm lead and the ball goes OOB on "my line" above the foul line, I'm most not likely going to see who touched it last because I was probably looking off ball. I blow the whistle and raise my arm and look at my partner for help (we pregame this). Once I signal, then I go become the new trail and administer the throw-in.

Z