% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2024
\begin{tikzpicture}
    \draw [very thick] (2.25,1.5)
        to [short,o-] ++(-1.5,0)
        arc(90:-90:-0.15) coordinate(c1);
    \draw [very thick] (2.75,1.5)
        to [short,o-] ++(+1.5,0)
        arc(-90:90:0.15) coordinate(c2);
    \draw [very thick](c1) -- (c2);
\end{tikzpicture}