1850  . . . each man had for safety his tracking belt . . . so fastened to the track-rope that he could not well fall through any hole without first letting himself loose.
1854  (1892)  . . . a large sled with broad runners . . . was taken down, scraped, polished, lashed, and fitted with trackropes and rue-raddies--the lines arranged to draw as near as possible in a line with the centre of gravity.