This is the bottleneck! Unlike metal objects, it has a soft, warm sound. However, it's glass, so it will break if dropped on a hard surface. Please be careful! As this is a handmade item, please refrain from bidding if you are overly concerned about details. Please make your judgment based on the photos. There have been no complaints so far. Shipping is included via regular mail (teikeigai). It cannot be combined with other items due to the risk of breakage. If you wish to purchase multiple items, please contact me through the question section beforehand. For multiple items, shipping will be via Kuroneko Yamato (Yamato Transport) cash on delivery. Shipping will be via regular mail (teikeigai). Combined shipping is not possible. No price reductions.