Viking ice skates, made from leather and horse-bone, found in York. The skates weren't blades designed to bite the ice like today's nimble models. They were likely used very much like skis,
Viking the historic speed skating manufacturer - Evolution Speed Skating
Viking Gold
SKATEBOARD VIKING | Zazzle.fr
Hurstwic: Viking-age ice skates
Le patin Viking Unlimited Slider Skates | Plutosport