Sorry to spin out on toothgrips, but the more you quiz yourself the more —– no 'rhyme or reason' it seems to reveal.
The toothgrip.
Was it an advancement or a selling venture??
This I DO know. It is another feature that helps to identify a whistle manufacterer and that is NOT confusing !!!!
Take for example US made escargots … Don't worry, no more spinning 🙂
The small 'smile' on the top side of US escargots can be very helpful in grouping them into different makers — or at least different periods of time for a maker who perhaps changed machinery or moved or….
The remarkable thing is those little toothgrip smiles stay the same and can actually be compared.
Just sayin"…..
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