Product review (5 stars): Multifunctional Marvel
I had one of these for years, and when we moved it went missing, so I ordered another one immediately.  I have long manicured nails and don't like to get my hands "yucky" so this is a hygienic way to get those scraps down into the disposal.  I also love the two-function gaskets.  The lower one has holes in it, so you can slightly set the gasket in the drain (I have Insinkerator brand and it fits perfectly) and the water can flow through, but it stops large things from going into the disposal.  If you want to stop the sink completely, just push the Mr. Scrappy down to the second or topmost gasket, and it forms a compete seal.  I wouldn't do without mine!