When a fifty-year-old middle-aged man met the overbearing Formosan rock-monkeys during his bike ridding in Shibayama Kaohsiung, the "dirty old monkey" was thus born.

Based on the demands of the designer's bike touring. We call this "Smart, Low-Tech design". Simple products are the most user-friendly. "dom" conforms to the spirit of eco products. Intuitive, durable, and avoids design waste.