On a grey day in Lausanne, the Monchengladbach and Augsburg No.1s conducted their normal training drills wearing dark strobe glasses ahead of Switzerland's clash with Latvia on Saturday.
Why? The glasses are designed by a Japanese company called VisionUp, who claim the glass can stop your eyesight from deteriorating with age and improve sporting performance.
If you fancy a pair, they'll cost you a mere £357. Snazzy.
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