Bowen knot, as pictured in: Hugh Clark, <i>A Short and Easy Introduction to Heraldry</i>, London 1827, Part 2, Table 3: <i>Bordures Counterchangings &amp; Lines</i>, fig. 7
Hugh Clark
Hugh Clark, <i>A Short and Easy Introduction to Heraldry</i>, London 1827, Part 2, Table 3 <i>Bordures Counterchangings &amp; Lines</i>, fig. 7