Answer:

inserts

Answer	Crossword Clue
INSERTS	Sunday paper additions
INSERTS	Newspaper ads, often
INSERTS	Newspaper fatteners

INSERTS	Gussets and tenons
INSERTS	Special offers, often
INSERTS	Many ads
INSERTS	Sunday newspaper features
INSERTS	Many newspaper ads
INSERTS	Paper fatteners
INSERTS	Extra leaves
INSERTS	Some Sunday-paper ads

INSERTS	Extra leaves in a book.
INSERTS	Places an ad.
INSERTS	What carets are for.
INSERTS	Gussets.
INSERTS	Puts in.
INSERTS	Extra leaves.
INSERTS	Places with.
INSERTS	Interpolates.

INSERTS	Sets within.
INSERTS	Gores
INSERTS	TV cut-ins
INSERTS	Godets or gussets
INSERTS	Newspaper extras
INSERTS	Stays, e.g.
INSERTS	Subscription cards, e.g.
INSERTS	Magazine fallout?

INSERTS	Wedges
INSERTS	Some magazine ads
INSERTS	They often fall out of magazines
INSERTS	Wedges in
INSERTS	Paper extras
INSERTS	They usually fall out of magazines
INSERTS	Loose ads in newspapers
INSERTS	Some newspaper ads

INSERTS	Newspaper sections that often fall out
INSERTS	Some magazine perfume ads
INSERTS	Things falling out of Vogue?