Cow bells are a popular cliche of the Swiss Alps, but do they harm the cows?
Cowbell - Wikipedia
Frontiers Impact of parity on cow stress, behavior, and production at a farm with guided traffic automatic milking system
Cowbell - Wikipedia
Why do cows wear bells in India? - Quora
Why do cows wear bells in India? - Quora
Is the Cow Bell Being Replaced?
NH Tidbits: Cow Hampshire Revisited
T-pain is a bellionaire sugar daddy : r/AnimalCrossing
Cow Bells and their origins – The German Village Shop Hahndorf