Totally stuck since yesterday.
13d Correcttests to trap ones leaders (10) ?????r???s 10a part of the skeletonuniform in grotesque carnival (9) n???????? 8d check small container during voyage (10)s????????? 12a Swear one is not trained by a musician (13)????u??????????
27 Enticing and arresting new role backed by chaps in film (10) ?n?r??????
Many thanks for your kind help and Seasonable Greetings! Martin.