Complex sentence: There is a tradition that the defenders used sacks of wool to block up breaches in the walls created by enemy cannon and these woolsacks and a representation of the Hall can be seen in the coat of arms issued to one of their members in 1763.
Split into simpler sentences: There is a tradition that the defenders used sacks of wool to block up breaches in the walls created by enemy cannon. These woolsacks and a representation of the Hall can be seen in the coat of arms issued to one of their members in 1763.