I went to the local laundromat. Put the wet quilt in the dryer without any heat and let it go. Boy, did I ever remove threads. The first time I did it an older Vietnamese [?] lady kept saying 'is broke. is broke' when she saw all the threads I removed.
I like the laundromat as I don't have to worry about messing up my own dryer. Is quick and efficient. I take a book to read or notes to write.