1. “Clunk” is almost never a good sound.
2. If you pull over on the road to adjust something using a screwdriver, make sure you’re not stopped directly over a sewer grate.*
3. If you pull over, chances are that at least one person will stop to offer help – and really mean it. The lovely woman who helped me get my chain sorted out this morning even offered me her rag to clean my hands.
*On a related note, if anyone finds a red-handled Phillips floating in the toilet bowl, please let me know.