They don't cover anything when they put it in the fridge. They just stick it in there and leave it till it walks out by itself.
6 seconds sound clip from the Sleepless in Seattle movie soundboard.
You can hear this line at 00:19:12.860 in the Blu-ray version of the movie.
Quote context
[...]
- I bet he hasn't bathed in weeks and he stinks.
- You know, maybe I'll just hustle myself out to Seattle, give him a little gift for New Year's Eve.
- Yeah, you go on out there if you want to, but don't open his refrigerator.
- Let's take a call before we get back to Sleepless.
- Knoxville, Tennessee, you're on the air. Talk to me.
- Yes, I would just like to know where I could get this man's address.
[...]