Installation varies by type: wall‑mounted retractable units are screwed or bolted to a wall, braided ropes are tied or hooked between trees, posts, or hooks, and small portable lines use carabiner‑style clips or built‑in hooks at the ends for quick attachment.
Retractable PVC lines are low‑maintenance: the protective case keeps the line dust‑protected, and the PVC line can be wiped clean with a damp cloth. Periodically retract and inspect the case and line for dirt or damage and wipe dry before storing if needed.
Common materials shown include braided nylon rope, PVC line (often housed in an ABS plastic case for retractables), and plastic or polyester components used in compact portable lines.