1) Extra leaves 2) Godets or gussets 3) Gussets and tenons 4) Loose ads in newspapers 5) Magazine fallout 6) Magazine renewal cards 7) Many ads 8) Many newspaper ads 9) Newspaper ads, often 10) Newspaper extras 11) Newspaper fatteners 12) Newspaper flyers 13) Paper extras 14) Paper fatteners 15) Places with 
Within a publication, an additional item positioned into the publication loose (not bound in).
Extra printed pages inserted loosely into printed pieces.
They are the holes on the top of the snowboard on which the bindings are fixed.