Relied on by hundreds of thousands of postal letter carriers police and rescue crews hikers dog walkers and many others STABILicers help provide non-slip traction to keep you mobile in icy and snowy conditions. Long lasting soles with case-hardened steel cleats bite into the slickest ice and snow. Simply attach STABILicers to your favorite shoes or boots quickly and easily with Velcro fasteners and never let icy conditions slow you down again. More comfortable than creepers or crampons more traction than older style grippers or spikys and longer lasting than grit boots STABILicers are your answer for winter mobility. Special note: Even used for stream fishing on slippery moss covered rocks! STABILicers make a great alternative to felt soles - easily attach to waders too.