In article .com,
says...

Yes I'm sure you could. We were talking about kids who buy their bikes
at walmart.... You or I and the story is different.

Agreed. The staff should be requred to leave instructions on the wheel and
show the parents how to operate the QR before they walk out of the store.
Make each parent sign a statement saying they were instructed in the proper
use of a QR would be a good idea.
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Alex