How to pack (with cats) (without packing the cats)

Step 1: Gather materials: flattened box; packing tape; tape cutter.
Step 2: Unfold box and set it on ground in open position, upside down.
Step 3: Fold in bottom flaps; tape in place.
Step 4: Flip box over so open end faces up.
Step 5: Gather up items that should go into box.
Step 6: Curse upon discovering cat inside box.
Step 7: Set down gathered items; fish cat out of box. (Cat may yowl about indignity of it all. Ignore cat.)
Step 8: Dump items in box.
Step 9: Gather more items to go in box.
Step 10: Shout obscenities upon finding cat in box. Again.
Step 11: Put down gathered items; fish cat out of box. Again.
Step 12: Once box is filled, fold down top flaps and prepare to tape in place.
Step 13: Threaten to kill cat as cat jumps up on box and gets self tangled in tape.
Step 14: Laugh hysterically as cat flips out because cat cannot escape scary tape stuck to cat's back.
Step 15: Tape cat(s) to floor to get cat(s) out of way.
Step 16: Proceed with above, leaving out steps 6, 7, 10, 11, 13, and 14.