I used them a way long time ago in my desert-riding teenagehood, in defense against goatheads. I recall they contributed to the tube shifting around and tearing at the stem. But my tires might have been underinflated.
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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."