✔️ 10 mm rope ✔️ Neck section infinitely adjustable ✔️ high quality & handmade ✔️ the perfect everyday and training companion ✔️ available with matching collar CLASSIC: This variant has 2 adjustable ring knots. The 150 cm leash has only one adjustable ring knot. To adjust, loosen the knots, pull the rope through, and tighten again at the desired position. LIGHT: This variant has an adjustable ring slider. To adjust, hold the lower ring and pull on the upper ring. Move the lower ring to the desired position. Tighten the loop below the ring so that the rings are aligned again.