쓸데없는거 발명하기 최강자

여기 일상생활에서 필요할거같은데 또 필요할거같지않은 요상한 발명품을 만드는 한 남자가 있다고 합니다. 어떤 발명품인지 영상을 확인해보세요 Here's a guy who makes weird inventions that he's going to need in his daily life, but he's not going to need them. Check out the video to see what kind of invention it is