This is a fishing tackle item called "Nora Tongari Kago M-15" from Marushin Gyogu. * This is a type of chum basket (maki-e kago) used for sabiki fishing and other similar techniques. * The "Tongari Kago" sinks quickly due to the lead weight, making it suitable for mid-water and bottom fishing for horse mackerel. * "15" indicates the weight of the basket, which is approximately 56g.