Does anyone know a shop in the Bangkok area that sells a dog trolley that I can tie between 2 trees?

I took a picture down to a couple of local pet shops and nobody had ever seen one.

Ideally I'm looking for one about 30 meters. A recent move has left my dogs with no safe place to run. There's a small green area nearby, but it isn't fenced and the traffic on the road next to it is a hazard.

I'm surprised, but apparently these aren't very common here. Any advice?

Thanks.

put the picture here - but you can put your dogs on a long leash which would be chained to the rope hanging between two remote trees. Would imagine you trolly works on a similar idea

I don't think it's complicated. I think everyone understood what it was, they just didn't carry them.

it's a rope with a leash - can't buy the trolley than just buy a rope/cable.

there are mail orders or ebay - but the post alone will be 10 times the rope costs

Instead of the trolley thing, you can use a ring and a metal wiring. Works as well.

Nienke