Leather leash.

I have used this particular type of extremely soft and durable leather 

1.50 m length Width 1.5 cm

Black  and brown colours

the marine bronze used for our carabiners, is a special alloy CU-ZN-MN normally used for the production of ship's propellers, with superior mechanical characteristics compared to traditional solid brass, with greater resistance to corrosion, completely die-cast in Italy - Kong Italy.