| 摘要 |
A known animal activator (1) has the form of a ball provided with a number of holes (4) utilized to fill the activator with units for animal consumption. An animal tries to dispense one unit at a time from the filled activator by rolling it. The activator (1) may then roll to somewhere the animal cannot it. The purpose of the present invention is to limit mobility by providing the activator with a body (5) on the inside of its wall, the body having such weight that the activator (1) is merely subjected to a rocking or displacement movement.
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