Crikey. I had forgotten about such things - had them on my bikes back in the 70's.
A lot more substantial than the OP hack.
The original flint catchers followed the curvature of the tyre, unlike this reinvention.
Used to be called tyre savers....might aswell just embrace the odd puncture personally speaking.
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Used to be called tyre savers....might aswell just embrace the odd puncture personally speaking.
View attachment 676392