The assembly was comparatively easy. Of course you have to draw bissi ... but it goes pretty fast and the price range reasonable.
My 19-kilo Schäferchen went using treats completely on the thing. However, they can not yet quite make friends with it - We'll see. Therefore, I consider neutral.
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What I find interesting is the fact that the power of the dog by the "sinking" a tactile experience, and something has to be compensated especially with a heavier dog. Gerde sat my shepherd dwarf quite a while on the thing and looked TV (there were wolves!) * G * A Leckcherchen handed