Can an everyday glass vase become a prot

Short answer from the cards: not as the thing you're picturing. This turn's draw is a single card — Seven of Cups, upright (当前指引). Seven of Cups is the spread of cups standing in the fog, each one holding a different pleasant thing, none of them confirmed yet. As a reading on your question, it says the shape you're imagining — vase-as-shield, vase-as-charm, vase-as-whatever-this-needs-to-become — is still one option among several you've been circling, not a settled answer. A card like this doesn't correct you, it just declines to certify.

If what you want protected turns out to be a specific, nameable thing — a door, a night alone, a worry that arrives at 2am — then Seven of Cups says the protection already sitting in plain sight beats the object you're searching for; if it turns out to be nothing nameable, more than a week of turning this over is what the card describes, and the fog thickens rather than lifts.

Action, before the next time the question comes up: write down the one thing you actually want protected, then check what is already on that spot tonight — the lock, the phone by the bed, the person three doors down. Name it in one line and read what is physically there.

I'll also say plainly what I can't do: I can't tell you a household object has protective power, and if by "protection tool" you mean something you'd use physically against a person, the card doesn't apply and I'd rather you had a lock or a charged phone than a vase.

Which of the two did you mean — a token to carry, or something for a real moment of risk?