you need to actually set the items owner, it isnt whoever holds the item and anyone can pick an item up regardless of the owner unless triggered otherwise, post your triggers in these tags: [noparse]
I'm on a page about incorrect corrections, and spent the better part of like two hours trying to get someone to understand that -5^2 = -25, not 25, and then that post had comments get reposted because that group is self sustaining, and that person was in turn trying to explain what I just explained to them. And I'm taking that as a victory