- A popular pattern of saltwater anglers in search of permit
- Probably the most famous permit crab imitation
- Dumbell eyes, rubber legs
Crab flies are a staple fly pattern of many saltwater anglers. Del Brown's Permit Crab (Merkin) Fly remains highly popular after many years because it catches fish. Many south Florida permit still eat this fly out of respect. Also effective for bonefish and several other saltwater species.