Related Clues:

• Bubble ___
• Bubble source
• Shield
• Word with ball or shoe
• Cow's chew
• Ruminant fare
• Chew for Bossy
• Extra, for one
• Gnaw toothlessly
• Adhesive
• Tooth support
• Word with chewing or bubble
• It's twice-eaten
• Extra, e.g.
• Sticky substance