The set-up I had was a standing block mounted on tracks. To trim the sail I would go cross cockpit to the winch on the windward side. Some boats have a fixed cheek block that routes the Jenny sheet to the winch. The set-up I had was a standing block mounted on tracks. To trim the sail I would go cross cockpit to the winch on the windward side.
Some boats have a fixed cheek block that routes the Jenny sheet to the winch.