1.Fishing Finger Protector:The fishing trigger thumb button effectively keeps your fingers from pain after throwing, you can effortlessly cast your weighted bait further than before. 2.Material: This fishing rod clamp thumb button trigger is made of premium nylon material. Features a finely polished stainless steel barrel for smooth casting and rust resistance. Long-term use is not easy to damage. 3.: Secure the trigger to the rod with tape, then make sure there is space between trigger and bale arm. Finally, load the line on the trigger and hold it by index finger then release the trigger at a specific moment. A gear-fixed spool user angler should attach with their rod to protect your finger from pain after casting. You are able to cast few extra yards. Fits Fishing Rods when fishing. A good gift for fishing lovers 4.Package Includes: 4pcs fishing casting triggers. Sufficient quantity will meet your various daily use or replacement.Fishing trigger aid is small and convenient, it is easy to carry and can be tucked in your pocket anytime.