Yes. Censer and incense is the idea. Primarily for rp, but you know... you never know if a rascal would add some weed or something to the mix. Imagine room-wide drugging.

Back to the pockets idea, there could be an enchantment to make your greatrobe pockets magical, and hold as much as a backpack does, and it gets rid of the weight limits, but otherwise, have the pockets only hold... iuno, 5 lbs?