it depends on the fabrics used- and the size of the (joining) seams- and the clipping-
i make pretty (full) raggy quilts- i use heavy double sided (expensive) flannels- usually on the back- regular cottons on the top (sometimes) an extra layer of muslin as a (foundation) cotton batting- the batting squares are cut 1" smaller than the outside squares. i put them together with 1/2" seams and clip at least every 1/4" sometimes closer. (i don't really measure the clips- i just sit & snip) then i take it outside and give it a good shake- put it into the washer on a regular cycle- when it spins out between wash/rinse cycle i take it outside & give it a good shake- put it in to rinse- when it spins again i again take it outside for another shake before putting into the dryer= i check it & empty the lint trap after 20 minutes of drying time- outside for another shake- back in- if i'm getting alot of (fluff) i check it again in another 20 minutes- empty the lint trap again- shake it again-
seems like alot i know- but worth every minute of it!