Grab your fin and join Backward Glances at the mermaid parade! The 4th Annual Asbury Park Promenade of Mermaids will be held on June 30th, 2018. Put together your best mermaid costume and you, too can walk in the Promenade. We can help you--visit Backward Glances in the weeks before and check out our mermaid and pirate wear. You can see some of the costumes here. There's no charge to walk in the mermaid parade, and a $10 fee to…