Check the listing for details. Breakaway Style Sea Fishing Cannon Clip Thumb Button Fixed Spool Casting trigger. Condition: New. Listed at 8.24 USD. Breakaway Style Sea Fishing Cannon Clip Thumb Button Fixed Spool Casting trigger Well designed gadget for casting with a fixed spool reelLocks the leader securely for safe power castingStrong constructionGives smooth line release, no matter how hard you castAllows you to release the line with your fingerTakes the pain out of casting!Can be used with nylon or braided linesEasy to fit - just tape to the rod butt above the reel For fixed spool reels. Heavier duty then the thumb button and can handle serious power casting. The canon is fitted to the underside of the rod butt directly above the reel spool.The design of the canon reduces line 'slap' on release and cuts down on crack offs caused by loose line catching the butt ring.A canon takes the pain out of fixed spool power casting and can help to add yards to your cast. Compare our deliver time with other seller.