Pins and Needles
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A1: Ones right-hand turn half-way, keep hold, give left to opposite sex in a wave; all set right and left (smiling). Left-hand turn neighbour half-way, twos link up; set right and left.
A2: Left-hand turn half-way with neighbour again; set. Ones right-hand turn half, keep hold, face each other and set.
B1: Without letting go, ones lead down, man turn woman under to her left (don't change sides) and take cross-hand hold. Come back setting Right, Left, Right, Left to finish below the twos; twos move in.
B2: Ballroom hold: dance once round the other couple (pas de bas, which is the same as the setting step you've been doing).
See notes at https://colinhume.com/session6