I think there was some discussion on this before, but I don't remember anything about it. So could someone tell me what is an "air shrouded", or "non-air shrouded" head? Carl 77rocco 89fox -- Email LIST problems to: scirocco-l-probs@scirocco.org. To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org