Completely stumped on 21d.Put on touch of eyeshadow - that's completed. (5) 15d Latin book, etched for free. (9) 5d Schooner at divided island where loner shows appeal in an irksome way. (10, 10) 18d...
P clue? 4/6 Harold Wilson perhaps, one politician such as he suffocating opposing players in game? C 5-3 Black and white plai? I keep thinking, check something? Got most other clues, not at all sure...