South coast coconut toddy tapping ropes: canopy bridge maintenance and morning collection?

Toddy tappers in southwestern coastal plantations maintain aerial highway ropes connecting palm canopies 20 meters above ground. They tie two parallel coir lines: a lower foot rope (Thanna) and an upper waist-level guide rope (Ath-wela), secured with timber lashings to mature frond bases. Tappers climb one trunk at dawn and walk across 30 to 50 trees without descending. To collect sweet toddy (Thelijja) without wild airborne yeast turning it alcoholic, tappers dust the interior of earthenware pots with fresh slaked lime (chunam) or place small chips of Hal bark inside to suppress spontaneous fermentation.