Vivian Komando wrote:
>
> I know that lots of the Elementary teachers do whistles
> and some Middle School teachers, but I haven't heard from
> too many HS teachers that use this lesson.
That's because I'm afraid they could be used as pipes! I'm not very
well-versed on pipe technology, but I have seen kids in the past sucking
rather than blowing. I have to watch their effigy vessels like a hawk,
as some have turned into bongs (which those naughty kiln gods plug up
before firing).