Sound-producing modification unit A, improved version ver2 Good parts produce good sound quality from the initial movement even with weak tension. As the author of the Yaen (fishing lure), I have improved and produced this unit, and I have repeated actual fishing tests, so you can use it for a long time with peace of mind. Loud sounds give squid a sense of discomfort from the sound of the line, and strong tension also quickly wears out the core of the parts, which has many disadvantages. I was the first to come up with and improve the parts and put them up for sale. I will explain the facts because I am annoyed by the unauthorized use of photos of products that are not in hand, complaints, excuses, and sneaky methods. One other person and I were asked to upload clear photos late at night, but there was no response. One day, they copied and put the product up for sale in a town factory for the purpose of sales. Only the shape is there, and the spring movable part is fixed with glue. They don't understand the meaning of the spring (lol). People who can't make it themselves, what's the point of "improvement" and factory production when they make poor modifications? It breaks because of insufficient confirmation! Please take a good look at the differences in the springs, etc. Production labor + material costs = buyer's perspective = I am selling at a reasonable price, considering various things. If you remove the spring from the 5-pin photo, it will be difficult to attach and will easily come off, so I will include two spare tubes as a bonus. If you use them instead of the spring, you can easily remove and reattach them many times. (Compatible models) 13, 17 BB-X Hyper Force 11, 16, 23 BB-X Despina, Larissa 11, 13, 16 Exsence LB 12, 18 BB-X Remare (Compact type is not compatible) Photo 4. Sound measurement MAX 81.6dB. It can be heard even from a distance. There may be some sound errors. Please understand that we will test the sound and ship it. For more information, search for "Reel sound modification" on YouTube, and you should be able to understand it. Please modify the sound yourself, understanding the reel structure and at your own risk. New flip-up Kai K2 Also selling the Hissatsu Yaen Cobra! I will send a comment message as soon as possible after purchase, so please be sure to check and reply. Please do so to prevent trouble.