Then, when he uses it, praise him with treat.

来源: Juzizhoutou 于 2015-04-17 14:33:16 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (20 bytes)
回答: But when there is a scratcher available, 由 Juzizhoutou 于 2015-04-17 14:28:44

Let him get used to.

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