Detailed text transcripts for TV channel - MSNBC - 20180210:12:44:00
>> reporter: between homecoming and gymnastics classes, brooke and bailey mcknight document their every move and song on the youtube channel. they are putting their own line of products branded with a double b in front of their 4 million subscribers. >> i would call it like an everyday line, like we've got t-shirts, wallets, pencils, notebooks. >> reporter: they recently launched their own mascara, too. was merchandise something that your followers were asking for? >> we're seeing any time we post a t.d. the girls want the outfit we're hearing. >> outfit of the day. >> otd ss. we decided to cr...
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