From professional curling stones honed in Scotland to Japanese calligraphy ink kneaded by hand and foot, we've investigated countless luxury products from every corner of the world.

To celebrate 10 seasons of "So Expensive," sit back and enjoy this 10-hour marathon. First up: lotus silk, extracted by hand, one stem at a time.

Episodes
0:00 Intro
0:32 Lotus Silk
6:03 Japanese Chef’s Knives
15:49 Championship Chess Sets
23:29 Japanese Calligraphy Ink
35:32 Gooseneck Barnacles
42:13 Olympic Curling Stones
50:50 Japanese Swords
56:13 Muga Silk
1:04:33 Sea Urchins
1:14:05 Steinway Pianos
1:22:06 Japanese Eel
1:28:35 Hasselblad Cameras
1:35:06 Nonthaburi Durian
1:42:33 Japanese Ruby Roman Grapes
1:50:28 Japanese Calligraphy Brushes
1:59:32 Pine Nuts
2:06:41 Green Cardamom
2:13:26 Stetson Cowboy Hats
2:19:59 Japanese Longbows
2:26:56 Mastic Tree Resin
2:34:32 Matsutake Mushrooms
2:42:22 Zisha Teapots
2:48:36 Wild Ginseng
2:54:26 Sea Sponges
3:02:39 Vicuña Wool
3:12:17 Rattan
3:20:29 Leavers Lace
3:29:08 Sandalwood
3:38:31 Zellige Tiles
3:48:43 Japanese Iron kettles
3:59:29 Jasmine Oil
4:08:29 Japanese Denim
4:19:26 East African Shea Butter
4:27:56 Calacatta Marble
4:35:39 Porcelain
4:43:25 Cloves
4:52:00 River Reed Salt
5:01:09 Benitoite
5:07:56 Agarwood
5:14:17 Gongs
5:21:07 Đông Tảo Chickens
5:26:57 Coconut oil
5:32:15 Son Mai Paintings
5:39:00 Stone Crab Claws
5:45:06 Ceylon Cinnamon
5:51:51 Pule Donkey Cheese
5:57:18 Black Opals
6:03:43 Violin Bows
6:09:49 Bamboo Salt
6:15:43 Cuban Link Chains
6:23:00 Cashew Nuts
6:31:22 Vegetable-Tanned Leather
6:38:39 Rolls-Royce Cars
6:47:08 Ernest Wright Scissors
6:53:46 Cuban Cigars
7:01:44 Persian rugs
7:08:23 Doc Martens
7:15:02 Icelandic Sea Salt
7:19:22 Spacesuits
7:29:54 Real Saffron
7:36:31 Argan Oil
7:44:41 Icelandic Eiderdown
7:50:03 Oboes
7:58:23 South Sea Pearls
8:07:51 Chiso Kimonos
8:19:58 Meerschaum Pipes
8:28:31 Moroccan Rugs
8:41:43 Bellerby Globes
8:50:52 Korean Bronzeware
8:59:52 Honma Golf Clubs
9:10:05 Pigini Accordions
9:18:07 Bonsai
9:23:46 Real Truffles
9:29:39 Kolinsky Sable Brushes
9:36:07 Pink Himalayan Salt
9:40:46 Avocados
9:49:10 Modern Art
9:55:17 Credits

Why Stockfish Is So Expensive | So Expensive Food | Insider Business
https://www.youtube.com/watch?v=1CHt6Yo6sVE
So Expensive Food Season 2 Marathon | So Expensive Food | Insider Business
https://www.youtube.com/watch?v=AkOkPs555kQ
11 Of The Most Expensive Items Made In The USA | So Expensive | Insider Business
https://www.youtube.com/watch?v=ZajeWUKw1KU

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So Expensive 10-Hour Marathon | So Expensive | Insider Business
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