Synthetic Crank Bait is a group of fish baits:

Name Grade Picture Cost of 50-Pack Info
S-Crank S S-crank 50 stars Small fish shaped bait to attract big carnivore type of fishes. (Luck +10)
Master's Bait S S-masters -

Multi-functioning, specialized bait for a master. Increases all stats. (ATT/SKL/CTR +300, Luck +50)

Harvest Rice Cake Bait S Rice - It's the fresh scent of wormwood. (Luck +15)
Star Ornament Bait S Star ornament - Made with the star ornament that goes on top of Christmas tree. (ATT/SKL/CTR +10, Luck +15)