The Tiny Whoover foam is awesome on a smooth serface but on carpet it slides a bit better with one of these slip pads installed. I prefer the slip pad on all surfaces, as it slides a little easier than the stock foam. Putting one in is easy!
First, fold up all the sides. I fold mine a little past 90°.
Then I put a band of tape all the way around the sides of the Whoover, so the tape is tight and is sticking to itself once it wraps all the way around.
Then just use a bit more tape to attach the slip pad to the band of tape at four or five places. DONE!!