원래 바람넣을때 나사같은거? 그걸 풀고 누른다음에 꽂아서 바람을 넣잖아요 근데 나사풀고 튀어나오는 부분이 휜거같아요 잠가도 뭔가 제대로 잠겨지지않은거같고.. 이거 문제있을까요?