THE SECRET BLACK BOOK OF PERFORMANCE SUNGLASSES

Hi, this is Ivan a.k.a. the Running Hippo! I've been in the sunglasses game for over a decade, and I'm here to spill the beans. From the myths and misconceptions to the shady side of the industry, I'm pulling back the curtain and revealing the real deal behind those shades. Get ready for some eye-opening truths!

HEADS UP! This booklet is 98 pages long, so get ready for a chatty adventure! 📚😄

註:文件中有中文翻譯,準備好享受雙語的樂趣!