"Reaching" Sitch--Whatcha got?

[mplagrow]

Originally posted by Snaqwells
What is it about the arm contact that is illegal? Where's the advantage? Is there something magic about reaching that makes all contact a foul?

Let me get this right. Are you saying that if B1 has LGP, reaches for the ball, clubs A1 across the arm but doesn't get the ball out, you've got nothing because there was no advantage? I just want to understand what you're saying.