Posted by ChrisCase [63.199.240.78] on Sunday, June 19, 2011 at 21:46:06 :
In Reply to: found it posted by Mike Mann [70.142.35.234] on Sunday, June 19, 2011 at 19:19:35 :
It keeps them from sticking and tearing when disassembled for repair.
Sorry, Mike, too late for this trip.