David Staples: Cure for slippery winter sidewalks? Retractable spikes on boots | Edmonton Journal
NexGrip Waterproof Women's Snow Boot Brown Bootie with Retractable Ice – Bridge Street Bazaar
Retractable Spike Red – Turnpike Comfort Footwear
Amazon.com: AIROKA Snow Traction Cleat Crampons for Shoes and Boots Non Slip Cleat with Adjustable Straps and 18 Steel Studs Crampons for Walking on Snow & Ice Hiking/Climbing/Mountaineering/Ice Fishing : Clothing, Shoes
Retractable Spike Red – Turnpike Comfort Footwear
Get A Grip This Winter! – Tanda Shoes
WATCH: World's First Intelligent Winter Boot (Retractable Ice Cleats With Flip of a Switch) - Unofficial Networks
Amazon.com: 2 Pairs Crampons Spikes, Ice Cleats Non Slip Gripper Spikes with 8 Steel Studs Traction Cleats Micro Spikes Grips for Boots Shoes Climbing Mountaineering Hiking Walking on Ice Snow (M Size) :
These Naot Boots Were Built With an Ice Pick to Prevent Slipping
Men's Ice Grippers | Pajar Canada | Pajar Canada
Retractable-spike winter boots give ice a kick in the rear