Coffeepot Teapot Spout Protectors，Silicone Teapot Tea Pot Spout Cover Sleeve drip-proof and leak-proof teapot spout Protector 3pcs White(short)

The problem is surface tension causing the tea to cling to the outside wall of the teapot. There are teapot spout extenders (like this one) that you would just need to measure and make sure it would fit into the existing spout area!