http://blip.tv/file/1204443
it removes the air from the container.
i've never seen something like this before. she's using it to store fondant.
It's a manual vacuum pump... my mother had one of these 20+ years ago before all the home sealing machines were available. I don't find it necessary. I keep my fondant in heavy plastic and store it in a sealed plastic bucket and it keeps for ages.
I use my FoodSaver vacuum system. There are several kinds of containers that you can use with this system. I have used it for royal icing, fondant, gumpaste and it seems to keep forever.
Here's a link to their product page:
http://www.foodsaver.com/Category.aspx?id=c&cid=89
Hope that helps
I've never used one either. I just coat it in crisco, saran wrap it, ziplock bag it, and then stuff it in an old Satin Ice bucket.
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