Park & Diamond Foldable Helmet. $3.1 million raised (excl. pre-orders). 3 years late. Campaign "under review". Months of radio silence from creators. : r/shittykickstarters
Park & Diamond Bike Helmet - YouTube
Is the Park & Diamond Foldable Helmet an Indiegogo Scam?
Park & Diamond - Home | Facebook
Park & Diamond hides helmet in a baseball cap, collapses it to the size of a bottle - Bikerumor