From natural latex mattresses and bespoke dress shoes to handmade calligraphy ink and ancient Tyrian purple dye, we traveled the globe to uncover the stories behind some of the world’s most expensive items. Our first stop is New Hampshire in the United States, where a master bladesmith has perfected the art of folding thousands of layers of white-hot steel into a Damascus knife. 0:00 Intro 0:28 Damascus Knives 10:20 Natural Latex Mattresses 22:46 Japanese Calligraphy Ink 32:52 Ayam Cemani Chickens 44:22 Bespoke Dress Shoes 52:31 Tyrian Purple Dye 1:03:23 Patan Patola Saris 1:12:42 Waterford Crystal 1:22:56 Hanji (Korean Paper) 1:31:07 Professional Hair Shears 1:40:47 Hyper-realistic Reborn Baby Dolls WATCH MORE SO EXPENSIVE MARATHON VIDEOS: 10-Hour So Expensive Marathon | 77 Episodes | So Expensive | Insider Business https://www.youtube.com/watch?v=gJH-NUO2rAY So Expensive Food Season 2 Marathon | So Expensive Food | Insider Business https://www.youtube.com/watch?v=AkOkPs555kQ So Expensive Season 5 Marathon | So Expensive https://www.youtube.com/watch?v=pN0LM2AL-gc ------------------------------------------------------ #marathon #SoExpensive #InsiderBusiness Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit our homepage for the top stories of the day: https://www.businessinsider.com/ Insider Business on Facebook: https://www.facebook.com/businessinsider Insider Business on Instagram: https://www.instagram.com/insiderbusiness Insider Business on Twitter: https://www.twitter.com/businessinsider Insider Business on Snapchat: https://www.snapchat.com/discover/Business_Insider/5319643143 Insider Business on TikTok: https://www.tiktok.com/@businessinsider So Expensive Season 11 Marathon | Insider Business