Not sure if this is commonly accepted behavior but I use this small snuff tin for my excess tobacco which I add a fresh portion to so to offset the dry tobacco from previous day(s). I often misjudge portioning for a bowl so the excess ends up in here and for another smoke at some point each day. Seems to work well, at least to my inexperienced palate. I do try to stick to similar styles which isn’t hard as 75% of what I smoke at the moment are VaPers.