https://b.hatena.ne.jp/entry/s/www.kickstarter.com/projects/135140520/sousvide-supreme-touch What is a prototype? A prototype is a preliminary model of something. Projects that offer physical products need to show backers documentation of a working prototype. This gallery features photos, ... https://b.hatena.ne.jp/nabinno/20170819#bookmark-343517595 2017-08-19T09:04:14Z kickstarter https://b.hatena.ne.jp/donotthinkfeel/20170819#bookmark-343517595 2017-08-18T15:03:48Z kickstarter food gadget