Winter Proof any Shoe - using Traction Spikes

Winter Proof any Shoe using 3D Printed Traction Spikes, that you can use to prevent from slipping on icy roads and pathways.Now you’ll be able to confidently stand, walk, or run on just about any icy patch.

Here is a short video showing the Traction Spikes in action
http://youtu.be/8cJzQd9VrJE

For step by step instructions refer to
http://www.instructables.com/id/Winter-Proof-any-Shoe-using-Traction-Spikes/?ALLSTEPS