Fastlock for shoelaces, for elastic, soft 3mm cord

Ergonomic, small regulation for cords and shoelaces. To fasten, the fastlock can be moved on the cord in one direction. A small wheel inside the fastlock locks the cord. By pulling on the ergonomic sides the length can be adjusted. Perfect as fastlock and adjustment on shoelaces, as alternative for cordlocks and many other applications. Suitable for elastic, soft cords with around 3mm diameter.