Stuck on quite a few here - help if poss.
15d.circus performer connecting TV antenna first(9) A???A?I??
17d.holy man with position regarding wife(2.6) ?T ?n????
24d.cut fasteners up(4) could be SNIP?
20D.WAVY HAIRPIECE NOT INITIALLY UNSIGHTLY(6)?i?g??
27A.STAMINA OF ANY TIGERS CIRCLING AROUND PRISONER OF WAR(7,5)
?????N? ????R
18a.Pound perhaps for the last character in age(4) E???