| 摘要 |
The invention relates to a bit (1) having single or multiple joints comprising at least two canons (10), characterized in that at least one canon (10) comprises at least one duct (100) passing longitudinally through this canon (10) with or without an inclination from one end to the other in order to feed a viscous and/or liquid substance (72) directly into the middle of the mouth of an animal (2) without changing the feeling in the mouth or on the tongue of the animal (2). |
