Thumb Score: +10 Amazon [amazon.com] has the Master Lock 4689T Keyed TSA Accepted Luggage Lock, 2 Pack for $4.00 + FS with Prime Assorted colors [code] ╔══════════════╤════════╗ ║ Lowest │ 4.00 ║ ╠══════════════╪════════╣ ║ Current │ 4.00 ║ ╟──────────────┼────────╢