This is a safety backup. It's meant to be used with other pieces of equipment in the event of equipment failure - there is a second point of attachment for the leash. Please see photos for some examples.
 
This is a premade item. The item pictured is what will be shipped to you! 
Want it in a different color? Place a custom order using this listing: Custom Safety Backup
 
All martingales come with a tag holder. 
A buckle collar refers to a plastic quick release buckle.