that 'sped walking' as you say, is quite easy to do, although it may look difficult, and iv managed 2 do a 3m or so glide like that (fluke). im currently trying 2 glide/1 ft ww, its hard, but those times when u get a few meters keep u motivated
-- unicyclistjoe - Wellingtons 2nd Best
Well a MOPED or whatever you call it...yeah good one security
