Laura Kottlowski | ⛸️🏔️🎨 on Instagram: "🚨This crinkling sound is a sound you want to avoid.🚨 It’s the sound of the crystal structure flexing underneath your skate. And you can feel subtle shifting as well. The Swedes call this “Etched” ice because what you are feeling under your blade is the crystal boundaries. Like stain glass. It usually occurs when ice is thin and baked in the sun like this (revealing the crystal structure) or on its complete last leg - deteriorated crystal structure. Avo