sentences:  A few moot hills ended up with unlikely secondary uses, such as Knockenlaw, which was used as the 'blast wall' for a gunpowder magazine and Chapel Hill which was used as a viewing point for watching horse racing.A few, notably the Tynwald Hill in the Isle of Man, continue to have a function in the 21st century.Some were built on and took on a new role, such as the moot hill at Riccarton near Kilmarnock, which had a kirk (church) built on it in 1823.