Fermentation also removes the gelatinous coating on these seeds, changing their texture from slippery, to rough and nonslippery.    From Wordnik.com.  [14. Saving seeds for planting] Reference

After the first hour in harness, the sledge seemed to slide more easily and Crozier had fallen into the rhythm of panting that passed for breathing while hauling such dead weight across such nonslippery ice.    From Wordnik.com.  [The Terror]