Cultural Practices Why do Japanese keep water bottles outside the house? February 4, 2026 by Tanp | Leave a Comment Japanese people often place water bottles outside their homes as a cultural practice believed to deter cats. This traditional method, known as "nekoyoke," is based on the idea that the reflection of light on the water surface scares cats away, preventing them from soiling or damaging gardens. Why Do Japanese Keep Water Bottles Outside? What […] Read more ยป