Pop-Up Spikes Help Alaskans Navigate Icy Streets - YouTube
In icy Alaska, footwear options abound to stay upright
Get A Grip This Winter! – Tanda Shoes
Retractable spikes make Gripforce boots ice- and floor-friendly
Retractable Spikes Snow Boots
New Gripforce Boots With Hidden Cleats Launch on Kickstarter – Footwear News
Meindl builds a retractable spike system into its winter boots
WATCH: World's First Intelligent Winter Boot (Retractable Ice Cleats With Flip of a Switch) | Unofficial Networks
Amazon.com: Ice & Snow Grips, Over Shoe/Boot Traction Cleat Spikes Anti Slip Crampons Slip-on Stretch Hiking and Walking Gripper for Snow, Ice, and Rock, Men & Women, Extra 20 Studs (Note: Shoes
ALFRED C. Men's Winter Boots ǀ Retractable Cleats – Alfred Cloutier Ltd. - Canada