How to store headshell and tonearms safely

How do you store your tonearms, cartridges and headshells safely. Is there a good solution out there
I use the dense foam rubber packing material and cute out the shape of the head shell with a utility knife. It looks silly but it functions well.
Do a search over at Vinyl Engine. Somebody (j7 at Origami maybe) is making and selling shipping cartons with foam cutouts for pick-up arms.
look at this...and many other companies in Japan made these..............
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Lots of different cartridge boxes to be had in the EMJ Music ebay store.  I've bought three from there, all excellent, and can in particular recommend this model.