How can I collect all the Fluffs

Hint 1 of 5:

Have you collected all four Fluffs? ( Always consult the HHGG. )

Hint 2 of 5:

Pocket Fluff- from your own bathrobe.

Hint 3 of 5:

Seat Cushion Fluff - from boat seat on Damogran, and again with toolbox.

Hint 4 of 5:

Jacket Fluff- from Arthur's jacket at the party, then from the purse.