Possible Clues:

• Mat for decanter or glasses
• Small mat that protects a table's surface
• Party accessory
• Beermat, e.g.
• It goes under a schooner, perhaps, or another vessel
• Small mat for glass
• Tray; trader
• It may be loopy
• Vessel under glass?
• A tray on the table for a firm flower, perhaps, for the vessel