Plants need caging or staking, and produce fruit throughout the growing season. Bioactive enclosures in laboratory "rack" style caging are uncommon. Matheny and Leahy attribute osteoporosis in hens to this caging method. These voters were then challenged by the BSTF, a practice known as voter caging. Growth is influenced by the availability of food, temperature, water movement, mussel's age, and caging. Modern AIs don't have this limitation and don't require a caging mechanism. A representative denied that the mailing had anything to do with caging. Film director Taika Waititi adapted "Caging Skies" as the 2019 film "Jojo Rabbit". The list is called a caging list. See the caging letter that was sent out here.