Jackets/coats and vests for sure, when the article of clothing is in your inventory you can double click items off of the ground and they fill in.
- Legacy ID
Yep, very confusing. At first I thought it was a bug, every item, from crafted rags to picked apples just vanishing. Then I realized it was all going in my vest WITHIN my vest. Nice exploit actually, but certainly not work as intended.