I went to Kanan roadside station in Kanan town and bought some konnyaku.

Michi-no-Eki Kanan is a roadside station on Route 309 in Kamiyama, Kanan-cho, Minamikawachi-gun, Osaka Prefecture.
Location: 523-1 Kamiyama, Kanan-cho, Minamikawachi-gun, Osaka 585-0034

Local specialties and vegetables are sold here.
Business hours are 9:00-17:00 on weekdays, 8:30-17:00 on weekends and holidays, and closed during the New Year holidays (5 days from December 31st to January 4th).

Michi-no-Eki Kanan sells additive-free handmade konjac made with the famous water of Mount Kongo.
There are red pepper (for simmered dishes), green seaweed and yuzu (for sashimi konnyaku with wasabi soy sauce or vinegar miso), and white (for simmered dishes and sashimi).
However, with current information, it is unclear whether konnyaku is sold.

At Michi-no-Eki Kanan, sweet peppers (Manganji peppers, sweet peppers), broad beans, kidney beans, green soybeans, okra, pumpkins, etc.
Many kinds of vegetables are sold.

Local specialties are also on sale, and the handmade jam that comes in four varieties: strawberry, fig, mandarin orange, and plum is also known as a specialty.