／／／／／／／／／／／／／I'm Marina Fujiwara／／／／／／／／／／／／／／／／ I've started YouTube channel （無駄づくり）"MUDA-ZUKURI" in 2013. 無駄づくり means Making Useless Stuff.I've been making lots of USELESS inventions through my channel. For business inquiries, please send it from the ma…