STOPPER
Newly Stopper
The Stopperset is the only solution to prevent sliding the cord down when the rail is installed under a steep angle, like an attic or stairs.
Screw the nipple in any place of the rail where the cord has to be stopped from sliding down.
A complete Stopper set consists of; srewnipple, perlon cord 150cm/4,9 feet, H50 hook and an allen key.