{{explanation}}
On 2nd chord step into “Glasgow Highlanders” position :(1c+3c on M side facing 2c+4c on L side, all M on L of W)

1–
: All turn P RH ¼ {1} into Reels4 across (finishing W at ends facing P in middle)
9–
: All set to P | W set again **while{2}** M petronella R to form diamond ; 1c+2c & 3c+4c Circle4 L, to orig. places
17–
: 2c+3c cross over passing opp. Lsh. and cast left (M leading) to other C's place, turn P ½ LH into Promenade diagonally across back to place passing other C Lsh
25–
: 1c+4c repeat in mirror pattern (cross Rsh, W leading, ½ RH turn, pass Rsh.)
33–
: Circle8 to L (turning P BH on {5–6}) finish facing P up/dn
41–
: All set to P and turn RH ½ ; ½ Rsh Reels4 in sideline. (couples have changed places on sideline)