\begin{tikzpicture}
    \draw [->, very thick] (0, 0) -- (0,-1);
    \tikzset{shift={(0,-1)}}
    \draw [->, very thick] (0, 0) -- (0,-1);
    \tikzset{shift={(0,-1)}}
    \draw [->, very thick] (0, 0) -- (0,-1);
\end{tikzpicture}