Well, it's a modified fixed gear technique. I keep a fairly constant cadence on both bikes by speeding up on the uphills! Not really mashing much, I do downshift on longer/steeper hills. Just something I noticed on this morning's commute.
__________________
1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"