Nikon SC-29 TTL Off-Camera Shoe Cord with AF Assist - Coiled
SC-24 TTL Flash Cord for DW-30, DW-31 Finder with F5 | Nikon
Other Useful Nikon Flash Accessories
Amazon.com : Neewer 4.2'/1.3m TTL Off Camera Flash Speedlite Cord compatible with Canon DSLR 800D/750D/700D/650D/600D/7D2/7D/6D2/6D/5D4/5D3/5D2/5DS/1D4/1D3/100D/80D/70D/60D Cameras : Electronics
1pcs 2.5 mm 2.5mm to Male Flash PC Sync Cable cord length for canon nikon sony to flash light as yongnuo flash|for canon|pc syncpc sync cord canon - AliExpress
3.5mm Flash Sync Cable Cord with Screw Lock to Male Flash PC for Canon Nikon PIXE - Walmart.com