Apparently no experts have heard of this. The only solution I've found is to keep the laundry basket upside down. I'm lucky since the laundry basket is the only thing he's tried choking himself on--I've read about a couple other cats (possibly like yours) who choke themselves on many...
My cat, Jango, is about 7 years old, neutered when he was a kitten, and this started choking behavior about a year ago. Nothing new, no changes in the house or household at that point--so no obvious triggers. He'll do it whether we are in the room with him or not. At 1st we thought he was trying...
