http://www.youtube.com/watch?v=bp95_ek9_dc
^^^^wonder if that would work on blazers too?
Oh, and after reading that last article about the roller... a nice wooden baseball bat is problably at a house near you. Maybe even at a resale shop for $5.. sure beats all the work to build some tool that might get used 4 times. Hot rodders have been using bats for years.