How to pack a cello
starring Joan Balter, Robin Bonnell, and cello & travel case
B. Stack photos (c) 2001
tune the strings down a half step (yes, that’s all!)
You can use rolled up underpants and t-shirts but be certain you have enough in your suitcase in case the cello is delayed!
Airport security considers it their right and duty to unpack and repack cellos.
Traveler must insist on clarifying that underwear is a technical material, and on supervising all repacking.

See also: eHow: How to Pack a Cello for Airplane Flights

Care & Repair of Cellos: How to Ship Your Cello Safely By Erin Shrader and Joan Balter

It is not wise to use plastic foam touching varnish. Cotton is great!

Joan pads shoulders to absorb shock and reduce jiggle--but not too tight!

protect face in case of neck and fingerboard collapse

Wrap bridge so that if strings loosen and bridge falls over, it won’t damage face. Sometimes the bridge is further reinforced with corrugated
cardboad with additional pieces at right-angles at the base.

If strings loosen and bridge falls over, tail won’t damage face if it is padded.

Robin says you should think of it as a neck scarf or a cervical collar.

Robin says pad that pretty scroll
and Bon Voyage!

And if you are Melissa Blue Chu, even your packed case is cute!