Just slip the wire eyes over the twin hooks, and immediately the River2Sea Frog Kit gives your hollow-body frog a deadliness it didnt have before! Especially when fishing dense cover or murky water, the addition of one of these proven mega-sound makers the 2-bead rattle or the plopping trailer can turn a ho-hum bite into a big-bass bonanza. Fits any hollow-body frog. Kit includes: 1 two-bead rattle, 1 plopping trailer. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rattles.