+1 to that old post about using shoe goo for the binder. It's basically the normal industrial synthetic tire rubber, mixed with some solvent to keep it until you need it. Home repair, though... not fast enough for the roadside.
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Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."