Huxley, I think just asking around will get you there. River cane here is so prolific owners are sometimes happy to have someone cut it. One problem though, is getting the older canes not the first year growth as it does not cure out hard.
I don't think I would mention 'blowguns or spears' to a stranger

...it has so many uses one could easily come up with a non weapon use as a reason for needing cane, like garden stakes and trellises or flutes.
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