"Duck for the Oyster, Dig for the Clams" is surely one of the most common traditional square dance figures. There are many examples of this dance on the SDHP website.
Here it's "Duck for Oysters,… View item
Audio clip of Chris Sanderson calling with the Pocopson Valley Boys, popular caller and band from southeastern Pennsylvania.
Opening figure: Bow to your partner, Bow to your corner, hands all… View item