If you slip and drop 6 inches onto the saddle you might keep rolling and get your feet back on the pedals. If you slip and drop 12 inches, you're probably going down in a tangled mess.
Difference is probably minimal.
@Emyr started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
If you slip and drop 6 inches onto the saddle you might keep rolling and get your feet back on the pedals. If you slip and drop 12 inches, you're probably going down in a tangled mess.
Difference is probably minimal.