But you're likely to notice if your arm is near a piece of machinery -- which was my point. Lanyards and ties? Not so much (in fact, that's one reason why neck-

But you're likely to notice if your arm is near a piece of machinery -- which was my point. Lanyards and ties? Not so much (in fact, that's one reason why neck-wear such as ties are banned from many such sites -- because of the risk).