To be a bit dubious about a bloke who was walking his dog whilst it pulled a tyre?

[urterriblemuriel]

On my way to pre school pick up, I drove past a chap near my house who was walking his Rottweiler. Nothing odd in that except it was pulling a big tyre behind it??! WTF? Do you reckon he's got the poor thing on some sort of boot camp (it didn't look particularly lardy)?

I've never been a dog owner, so might be missing something?!

[DonkeyOaty]

Praps the doggie is going on one of them Arctic Trek thingies with wossis-name. The adventurer. The people train by lugging tyres #vague