file:第一集.mp4 file:4用岩石做后退_翻译.mp4 file:3样式和工具.mp4 file:1行动与愿景.mp4 file:9腿移位与操纵.mov file:8中心向左（带小狗）.mov file:6食品-指挥部：Casey 9 周.mov file:5和凯西在一起的学生（同一个小狗）.mov file:4Demo PuppyCasey简介.mov file:3小狗MVP常见错误.mov file:32与新的管理员一起进行服从训练.mov file:31玩小狗球。二.mov file:2开始你的小狗-食物技术.mov file:SVID_20210717_144615_1.mp4 file:HwVideoEditor_2021_07_17_075734657.mp4 file:4-SVID.mp4 file:202107162003_完成.mp4 file:STSK 9-Nino Drowaert(9).mp4 file:9和小狗一起练习坐姿.mov file:8坐前绳不同角度.mov file:7拉链压力在前面.mov file:6小狗6个月皮带介绍.mov file:4带小狗的皮带基础演示.mov file:3皮带说明第2部分.mov file:1引带覆盖.mov file:10组合体，速度和皮带压力.mov