Child/dog carrier

We just recently bought bikes and have been riding a lot and really enjoying it! We have an 80 lb. dog that loves to go but it's sometimes too hot for him to run. Does anyone have one of those pull-along trailer things that hook onto the back of a bike that they would like to sell?
Emily Cornpropst
317-519-0975
Emilycornpropst@gmail.com

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Emily