Made from non-toxic aluminum, GHG Decoy line crimps are the perfect solution for attaching line and weights to your decoys. Simply thread decoy cord through one hole of the crimp then though the keel of the decoy (or the weight) and back through the remaining hole in the crimp. Close the aluminum crimp with pliers, and your decoy cord will stay attached forever! Use 2 crimps per decoy The most effective method for securing decoy cord Rust-proof, non-toxic aluminum in black Fits all major brands of decoy cord