Our friend Chris over at Problem Solvers sent along a great little hack to assist with chain maintenance. The following text and picture come from the Problem Solver page -
We've seen (and considered designing our own) chain keepers for doing maintenance before. They typically seem to run about $10–20. A buddy of a buddy of a guy who knows a guy who knows this mechanic (Paul from Bike Tech Miami) who made this simple version from a derailleur pulley and a chopped quick-release skewer:
If you have a problem I'm sure Problem Solvers would love to hear from you.