Double diced coconut husk is used as a part of some musical instruments such as Chinese watch and lake or Vietnamese duck, they are banged together to create a sound effect like the horseshoe. Coconut shells are also used as water scoops and as materials for handicrafts. Coconut fire Coconut fiber is used as rope, rope, carpet, brush, boat mosaic as well as as a filler material; It is also widely used in gardening as a filler in fertilizer. Coats and coir can be used as fuel or charcoal. A rare type of coconut in South Vietnam with fresh coconut fiber that gives sweet water when chewed, while other species give the chit.