Crampons

Petzl Irvis crampon steel 10-point $135 -> $100
BlackDiamond Contact stainless steel with ABS plates 10-point $130 -> $110
Camp Stalker Universal chromoly steel 12-point anti-balling plates included $120 -> $100
Grivel G10 chromolly steel with Antiball Plates $140 -> $115
Stubai Trekking tampered steel 10-point

Black Diamond Neve Aluminum 10-point $150
Stubai Light aluminum 10-point

The Best Nonslip Traction Devices 
ICEtrekkers Diamond Grip 
Hillsound Trail Crampon Ultra 

Winter Traction Devices
Kahtoola NANOspikes (road running), EXOspikes (trail/road running/hiking), MICROspikes (hiking)
Yaktrax Spikes, Pro, Diamond Grip 

 Running: Run 

 Walking: Walk, Spikes, Pro, Diamond Go, Chain, Run, Diamond Grip 

 Hiking: Spikes, Pro Chains, Traverse, Diamond Grip, Ascent, Summit 

 Pavement: Walk, Spikes, Pro, Diamond Grip 

 Ice: Spikes, Diamond Go, Chains, Run, Traverse, Diamond Grip, Ascent, Summit 

 Packed Snow: Walk, Pro, Chains, Run, Traverse, Diamond Grip, Ascent, Summit